
Cannabis tissue culture, plant genetics, micropropagation, and pathogen testing are transforming modern cultivation. In this episode of the Bioactive Podcast, Dr. Riley Kirk is joined by Dr. Nathan Johnson, President & CEO of Verne Bio, for a fascinating deep dive into one of the most powerful—and misunderstood—tools in cannabis cultivation.
Together they explore how tissue culture is helping preserve elite cannabis genetics, eliminate plant pathogens, improve cultivation consistency, and solve some of the industry's biggest challenges. Drawing from Dr. Johnson's extensive background in molecular biology, microbiology, bioinformatics, and plant science, the conversation breaks down how tissue culture works, why it's becoming essential for commercial cultivation, and what growers should know before adopting it.
The discussion also examines cannabis testing, microbial contamination, remediation methods, irradiation, and the science behind maintaining healthy plants without sacrificing quality. They unpack how beneficial microbes interact with cannabis, why current testing regulations remain controversial, and the differences between qPCR, culture-based testing, sequencing, and pathogen detection. The episode also explores THC testing variability, why cannabinoid percentages aren't always the best indicator of quality, and how cultivation practices influence the chemistry consumers ultimately experience.
Whether you're a home grower, commercial cultivator, cannabis scientist, breeder, laboratory professional, or simply curious about the future of cannabis science, this episode is packed with practical insights and evidence-based discussion.
CHAPTERS:
00:00 Welcome and Topic Setup
01:00 Nathan’s Background and Mission
01:59 Why Mother Plants Decline
03:28 Tissue Culture Origins and Bananas
04:39 Media and Hormones Explained
06:03 Meristem vs Node Methods
07:11 Sterile Lab and Decontamination
09:09 Strain Specific Recipes
12:32 Cleaning Pathogens and Viroids
13:31 Hop Latent Viroid Reality Check
15:57 Biobanking and Longevity
18:32 Gen Zero Vigor Strategy
19:46 Rooting and Hardening Off
22:01 Reintroducing Beneficial Microbes
24:24 Does Tissue Culture Change Chemistry
26:35 Experimentation and In House Testing
28:19 What Verne Bio Actually Does
30:06 Batch Size Reality Check
30:20 Solving Contamination Mysteries
31:07 Why SOPs Matter
32:32 Massachusetts Testing Spotlight
35:18 Setting Safety Thresholds
36:07 Microbial Tests Explained
39:03 Remediation Risks
40:00 Irradiation Tradeoffs
44:16 Sequencing Path to Pass
48:32 qPCR vs Culture Methods
52:42 Sampling Variance Shock
54:39 Rethinking THC Reporting
57:09 Where to Find VernBio
57:54 Final Thanks and Wrap
Connect with Dr. Nathan Johnson
🌱 Verne Bio
https://vernbio.com/
💼 LinkedIn
https://www.linkedin.com/in/nathan-johnson/
📧 Contact
[email protected]
🌿 Thank you to our sponsor, Storz & Bickel!
Storz & Bickel manufactures medical-grade dry herb vaporizers and some of Dr. Riley Kirk's favorite devices for daily use. Visit https://www.storz-bickel.com and use code Riley10 for 10% off most items.
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Jun 27
59 min

Dr. Riley Kirk welcomes Dr. Anna Schwabe to the Bioactive Podcast for a deep dive into cannabis genetics, cultivar identity, plant chemistry, and the challenges of making sense of cannabis in a rapidly evolving industry. As two cannabis scientists get thoroughly nerdy, they explore the relationship between genetics and chemical expression, why cultivar names matter, and what science can and cannot tell us about predicting cannabis effects.
Drawing from years of research in cannabis genomics, chemotypes, and consumer behavior, Anna explains the disconnect between strain names, marketing claims, and actual genetic identity. The conversation examines how genetics, environment, cultivation practices, and post-harvest handling influence the final chemistry of a cannabis product, often making consumer expectations difficult to predict.
They also explore the limitations of the indica, sativa, and hybrid framework, discussing why these categories may still serve a purpose for new consumers while highlighting the need for more nuanced approaches to cannabis classification. The discussion dives into terpene science, aroma-based selection, cultivar verification, consumer perception, breeding strategies, and the future of genetic authentication in cannabis.
Additionally, Riley and Anna tackle common industry misconceptions, the importance of preserving cannabis history and culture, and how science can help bridge the gap between growers, consumers, researchers, and retailers. Throughout the episode, they emphasize practical ways consumers can make better decisions while exploring the fascinating complexity of cannabis chemistry and genetics.
Whether you're a grower, breeder, budtender, researcher, medical patient, or curious consumer, this episode offers valuable insights into how cannabis genetics shape the products we use and the experiences we have.
CHAPTERS:
00:00 Podcast Crossover Intro
01:38 New Mom Conference Life
02:32 Cannabis on Social Media
03:59 Schedule III Debate
06:36 Pharma Versus Whole Plant
10:08 Synthetic THC And Isomers
12:26 Terpenes And Aroma Complexity
16:51 When More Is Not Better
19:27 Realistic THC And Terp Limits
22:56 Trust Your Nose Shopping
24:47 Why Blue Dream Varies
25:44 Genetics Registration And Terroir
29:23 Consistency Versus Craft Growing
33:12 Craft Cannabis Value
34:25 Does Quality Mean Less
35:48 Savoring Premium Products
38:33 CHS And Overconsumption
42:33 Allergens Terpenes Perfume
45:03 Pregnancy Smell Sensitivity
47:05 Trust Your Nose Shopping
50:44 Beyond Indica Sativa
54:24 Strain Names Still Matter
57:32 Genome Gaps Landraces
59:43 New Compounds Plant Evolution
01:01:24 Overmanipulated Modern Nugs
01:03:16 Potency And Oversized Joints
01:04:42 Right Sizing Your Dose
01:05:46 Type Two Flower Wins
01:06:29 Budtenders Versus Medical Advice
01:08:35 Research Weed Supply Problem
01:12:42 Study Real Dispensary Products
01:14:08 What Consumers Actually Want
01:16:12 True Cut Genetic Verification
01:17:48 IP Protection And Licensing
01:19:05 Finding Medicine By Genetics
01:21:09 Scaling The Sample Universe
01:25:59 AI Guided Breeding Future
01:27:05 Where To Follow And Next Steps
01:27:36 New Work In Houston
01:29:19 Riley Projects And Wrap Up
Connect with Dr. Anna Schwabe:
Website:
www.annaschwabe.com
LinkedIn:
https://www.linkedin.com/in/anna-schwabe-phd/
True Cut Bioscience:
https://www.truecut.co/
Agricultural Genomics Foundation:
https://agriculturalgenomics.org/
MyFlora DNA:
https://myfloradna.com/
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Jun 13
1 hr 34 min

In this episode of the Bioactive Podcast, Dr. Riley Kirk is joined by Brandon Rust, founder and CEO of FulCrop Sciences, for a fascinating conversation about the hidden biological systems that drive plant health and productivity. Brandon shares insights from years of cultivation experience, explaining how modern growing practices have shifted away from natural ecosystem processes and why rebuilding biological balance may be one of the most important steps for improving plant performance and long-term sustainability.
The discussion explores how microbes, organic matter, mineral interactions, and natural nutrient cycling influence everything from root development to crop resilience and overall plant quality. Brandon also breaks down practical approaches growers can use to better support healthy ecosystems while reducing dependence on heavily synthetic inputs.
They also discuss practical cultivation strategies for home growers and commercial cultivators alike, including compost teas, microbial inoculants, biological crop steering, mineral balancing, and the importance of understanding soil as a dynamic ecosystem rather than an inert growing medium. The discussion further examines the intersection of plant science, sustainability, cannabis cultivation, food systems, and the future of regenerative farming. Throughout the episode, Brandon shares insights into biological fertility, plant stress responses, nutrient cycling, and how healthier soils can ultimately lead to healthier plants and healthier people.
Whether you’re interested in regenerative agriculture, cannabis cultivation, soil science, plant biology, sustainable farming, or microbial ecology, this episode is packed with practical insights and science-backed education.
Chapters:
00:00 Childhood Foster Trauma
01:05 Podcast Intro Guest Setup
02:57 Night Terrors And Meds
06:24 Rebellion Cannabis Awakening
10:39 Hard Living Jail Time
12:18 Finding Family OG Growers
14:41 Electricity Tap First Grow
18:37 Science Mind Organic Shift
27:07 Agronomy Regenerative Basics
33:58 Soil Carbon Microbes Cycles
38:12 Living Soil Vs Mixes Brand
39:31 Choosing The Right Formula
40:54 Fixing Sandy Acidic Soil
41:28 Fulvic Acid Benefits Explained
42:20 Why Synthetic Fertilizer Wastes Energy
44:48 Soil Building And Carbon Nitrogen Ratios
47:03 Sulfur Aminos And Skunky Terps
50:56 Flushing Myths And Ash Color
54:29 Water Quality pH And Soil Tests
56:23 Nutrient Calculator And Data Workflow
58:41 Terroir VPD And Calcium Dynamics
01:04:35 Biological Crop Steering Microbes
01:12:50 Where To Learn More And Final Wrap
Connect with Brandon Rust & FulCrop Sciences
Follow Brandon and FulCrop Sciences for more information on regenerative agriculture, soil biology, microbial systems, and carbon-based fertility:
Instagram: www.instagram.com/brandonrust
TikTok: www.tiktok.com/@fulcropsciences
Podcast: www.youtube.com/@fulcropsciences
Website: FulCrop Sciences
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May 29
1 hr 21 min

Dr. Riley Kirk welcomes Kyle Boyar to the Bioactive Podcast for an in-depth conversation on cannabis testing, mycotoxins, analytical chemistry, biohacking, and the evolving cannabis industry. Drawing from over a decade of experience in cannabis science, Kyle shares insights from his work across leading cannabis testing laboratories, academic institutions, and regulatory spaces. The discussion explores how cannabis testing has evolved over the years, the importance of accurate lab data, and the real-world challenges surrounding contamination, safety standards, and consumer trust.
They also dive into the science of mycotoxins, microbial contamination, heavy metals, and how environmental conditions can impact cannabis quality and safety. The conversation examines the complexities of cannabis regulation, inconsistencies between state testing systems, and the role of analytical chemistry in improving industry standards.
Additionally, they explore cannabis biohacking, cannabinoids, terpenes, creativity, and the relationship between cannabis use and cognitive performance. The dialogue further highlights the importance of scientific literacy within the cannabis industry, education for consumers, and the need for evidence-based discussions around cannabis safety and wellness. Finally, they touch on the future of cannabis science, emerging technologies in testing, and how researchers can help shape a more transparent and informed cannabis landscape.
This is a conversation for anyone interested in cannabis science, product safety, laboratory testing, biohacking, analytical chemistry, and the future of evidence-based cannabis education.
Chapters
00:00 Magnesium and Cortisol Timing
00:46 Meet the Guest Kyle Boyar
02:08 Biohacking
03:47 Daily Supplements and Omega-3 Quality
07:28 How to Vet Supplements
09:47 Caffeine Plus L-Theanine Focus Stack
13:59 Nighttime Calm Magnesium and CBN
21:04 Ashwagandha for Stress and Cortisol
24:31 Hangover Defense DHM and NAC
28:47 ECS Supplements PEA and OEA Reality Check
31:22 Cannabis Mycotoxins Testing Basics
32:54 Why Mycotoxin Failures Are Rare
34:32 Fusarium Focus and Field PCR
35:47 LAMP Contamination Reality
36:25 Fusarium Mycotoxins Explained
37:47 Extracts and CBD Findings
39:49 New Studies and Blind Spots
43:06 Ten State Compliance Data
44:24 Remediation Limits and DNA
50:21 Fixing Testing Trust Issues
53:10 THC Dopamine Basics
55:58 Creativity Dose Sweet Spot
01:00:28 Addiction Tolerance and Vapes
01:02:29 Schizophrenia Risk Mechanisms
01:04:04 Thalamus Filter and Reality
01:06:56 Heart Risks and Wrap Up
Connect with Kyle Boyar
Follow Kyle’s work in cannabis science, analytical chemistry, and education through his speaking engagements, scientific organizations, and industry collaborations.
LinkedIn: https://www.linkedin.com/in/kyleboyar
IG: https://www.instagram.com/canna_kybo
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cannabis science, plant biology, and more!
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May 16
1 hr 11 min

Dr. Riley Kirk welcomes Tessa Dattilo to the Bioactive Podcast to break down what it really means to be a budtender and how cannabis education translates to real-world consumer experiences. With nearly a decade in the cannabis industry, Tessa shares insights from the frontlines—helping patients and customers navigate products, understand cannabinoids and terpenes, and make informed decisions in an increasingly complex market.
They explore the science behind how different cannabis products affect the body, including why edibles feel different from inhaled cannabis, how tolerance develops, and why product quality and sourcing matter. The conversation dives into red flags consumers should watch for when selecting products, from over-marketed “themed” items to inconsistencies in labeling and formulation. They also discuss the role of budtenders as educators, the gaps in industry training, and how consumers can advocate for themselves inside dispensaries.
Additionally, they examine differences in state regulations, product availability, and how legislation shapes what ends up on dispensary shelves. Tessa shares practical advice for aspiring budtenders, key foundational knowledge to focus on, and how real patient interactions—from chronic pain to end-of-life care—highlight the importance of accessible, accurate cannabis education. The episode also touches on tolerance, product sampling, craft vs large-scale cannabis brands, and the importance of curiosity when navigating cannabis use.
This is a conversation for anyone who wants to better understand cannabis from both a scientific and real-world perspective—whether you’re a consumer, patient, or working within the industry.
CHAPTERS:
00:00 Too Strong Too Soon
01:22 Meet Tessa 420
02:06 From Cali to Illinois
04:01 Dispensary Education Gaps
06:02 Terpenes Rules and Misinformation
25:00 Budtender Life and Medical Use
30:24 Distillate Value Debate
31:55 Edibles Take Over
32:59 Drinks and Powder Buzz
35:51 Delta-8 Sickness and DIY Flower
38:12 Red Flags and Illinois Weirdness
47:14 Budtender Training and Farewell
Follow Tessa Dattilo on Tiktok
https://www.tiktok.com/@tessa420_
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Don’t forget to like, subscribe, and hit the notification bell for more expert insights into cannabis science, plant biology, and bioactive compounds.
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Keep up with Dr. Riley Kirk
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https://www.youtube.com/@cannabichem
https://instagram.com/cannabichem
https://www.appliedpharmacognosy.org/
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May 2
58 min

On this episode, Dr. Riley Kirk welcomes Dr. Emily Gogol to the Bioactive Podcast to discuss the science, cultivation, and accessibility of cannabis from both a research and real-world growing perspective. Drawing from her background in biomedical science and her work leading Infinite Tree and Grow It From Home, Emily shares her journey from infectious disease research into cannabis farming, and how she applies data-driven methods to breeding, field trials, and terpene selection. They explore the process of developing stable, uniform cannabis genetics, the role of sensory evaluation (“the nose”) in selecting cultivars, and the importance of simplifying cannabis cultivation for home growers.
The conversation also dives into practical growing techniques, including seed starting, drying and curing methods, and how to assess plant health and readiness. They discuss common challenges growers face, from germination myths and hermaphrodite stress to the differences between indoor and outdoor genetics. Additionally, they explore the evolving landscape of cannabis access, including home growing, seed distribution, and the impact of hemp regulations on small businesses and patients. The dialogue further highlights DIY approaches to cannabis as medicine, cannabinoid differences such as CBD, THC, and CBG, and the importance of education in empowering growers. Finally, they touch on the broader vision of making cannabis cultivation more approachable, sustainable, and accessible to communities nationwide.
This is a conversation for anyone who wants to better understand the science behind cannabis cultivation, explore practical growing techniques, and gain the confidence to approach cannabis as both a plant and a tool for self-sufficiency.
Chapters
00:00 Cannabis Is Just A Plant
00:53 Meet Dr Emily Gogol
02:45 From Infectious Disease To Farming
06:30 Starting The Oregon Farm
07:59 Recreating Sour Pineapple
12:50 Breeding For Uniformity
16:18 Field Trials And Data Systems
19:33 Terpene Selection And The Nose
25:52 Home Growers And Shipping Seeds
30:11 Simple Seed Starting Rules
32:16 Why Cannabis Feels Hard
37:58 Drying And Curing Basics
41:08 Vertical Basket Drying
41:55 Fast Dry Terpene Logic
42:28 How to Check Dryness
43:04 DIY Hang Dry Setups
44:19 Cannabis Is Just a Plant
47:12 Why Homegrow Wins
48:27 Outdoor vs Indoor Genetics
51:02 Hermaphrodite Stress Signs
52:58 Best Cultivars for Maine
55:44 Labeling Your Plants
56:45 CBD THC CBG Differences
01:03:08 Hemp Ban Business Impact
01:08:45 DIY Medicine and Scales
01:10:35 Where to Find Grow It From Home
01:12:40 THCA No Heat Tinctures
01:16:13 Seed Germination Myths
01:19:27 Packaging and Farewell
Learn More / Resources
Grow It From Home
https://growitfromhome.com/
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Apr 17
1 hr 22 min

On this episode of the Bioactive Podcast, Dr. Riley Kirk is joined by Dr. Codi Peterson and Megan Mbengue to discuss their newly published paper on Cannabinoid Hyperemesis Syndrome (CHS). Drawing from their recently published research and clinical experience, they explore what CHS is, how it presents, and why it is often misunderstood or misdiagnosed. The conversation covers early warning signs, the prodromal phase, and the severe symptoms patients experience, including the challenges faced in emergency care settings. They also address common misconceptions around cannabis use patterns, frequency, and the role of THC in the development of CHS.
They discuss key factors influencing CHS, including consumption methods such as vaping versus flower, rapid THC absorption, tolerance, and the impact of high-potency products. The discussion explores myths around pesticides, synthetic cannabinoids, and the importance of distinguishing correlation from causation in cannabis-related health outcomes. Additionally, they examine strategies for reducing risk, including tolerance breaks, balanced use, and patient education without stigma. The dialogue further highlights the importance of compassionate care, proper diagnosis, and the role of healthcare professionals in bridging the gap between cannabis use and medical understanding. Finally, they touch on future research directions, the importance of data collection, and how education can shape safer, more informed cannabis use.
This is a conversation for anyone using cannabis regularly, healthcare professionals seeking to better understand CHS, or patients navigating unexplained symptoms. Whether you're exploring cannabis for wellness or working in clinical settings, this episode provides critical insight into responsible use, early warning signs, and the evolving science behind cannabis-related health outcomes.
Chapters
00:00 CHS Is Real
00:58 Welcome And Guests
01:43 Publishing The Study
03:47 What Is CHS
05:04 ER Reality Check
06:17 Scromiting And Severity
09:16 Survey Size And Reach
10:48 Vapes Versus Flower
11:42 Use Patterns And Myths
15:55 Prodrome Phase Warning
18:13 Triggers And Cutting Down
23:41 Is THC The Culprit
26:06 Why Vapes Hit Faster
27:56 Vaping And THC Spikes
29:22 Pesticides Myth Busting
31:57 Tolerance Breaks And Balance
34:08 CHS Education Not Stigma
36:45 ER Diagnosis And Overdiagnosis
38:55 Who Gets CHS Demographics
41:22 Early Warning Signs
43:28 Synthetic Cannabinoid Risks
45:37 Whole Plant Over Isolates
50:02 Future Papers And Next Steps
51:57 Compassion And Closing
Read the Research on CHS
Cannabinoid Hyperemesis Syndrome Publication:
https://journals.sagepub.com/doi/10.1177/25785125261421434?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub%20%200pubmed
Note: This publication is currently behind a paywall but will be available for free on Patreon.
Sponsor
Thank you to our sponsor Storz & Bickel! S&B makes medical-grade dry herb vaporizers which are some of my favorite products to use daily. If you want to check them out, head to storz-bickel.com and use code Riley10 for 10% off most items!
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Apr 4
55 min

Dr. Riley Kirk welcomes Nikki Lawley to the podcast
to discuss the transformative role of medical cannabis in managing traumatic
brain injury (TBI), sharing her powerful personal journey alongside practical
insights into cannabis as medicine. They cover topics such as the immediate and
long-term symptoms of TBI, the challenges of navigating traditional healthcare
systems, and the limitations of pharmaceutical treatments. Additionally, they
explore how cannabis became a turning point in Nikki’s recovery, the barriers
to access in the United States, and the stigma patients face when seeking
alternative therapies. The discussion emphasizes patient-centered care, the
importance of advocacy, and the growing role of cannabis in treating
neurological conditions.
They also delve into various aspects of cannabis science and
personalized medicine, including cannabinoid therapy, terpene profiles, and the
use of data tracking tools like Strainprint to optimize treatment outcomes.
They discuss the significance of consistency in dosing, the effects of aged
cannabis and CBN, and the role of terpene boiling points in consumption
methods. The conversation further explores different delivery systems such as
vaping and inhalation, how cannabis interacts with the endocannabinoid system,
and the importance of experimentation in finding effective protocols. Finally,
they touch on cannabis policy, patient advocacy, and the critical role of
storytelling in advancing legalization and improving access for patients
worldwide.
This is a conversation for anyone navigating chronic
illness, traumatic brain injury, or exploring cannabis as a potential
therapeutic option. Whether you're a patient, caregiver, healthcare
professional, or simply curious about the science of cannabinoids and the
endocannabinoid system, this episode provides valuable insights into how
cannabis can be used intentionally to support healing and improve quality of
life.
Chapters
00:00 TBI Changed Everything
01:34 Podcast Intro And Mission
02:37 The Headbutt Incident
05:10 Symptoms Hit Fast
06:48 Pharma Spiral And Workers Comp
10:49 Vegas Breakdown And Billboard Sign
16:44 First Cannabis Relief
19:40 Back Home Stigma And Barriers
23:18 Medical Cannabis Refuge In Canada
25:00 Strainprint Data And Terpene Tracking
29:32 Canada Trips And Building A Routine
31:33 Aged Flower and CBN
32:23 Terpene Boiling Points
33:24 L Orange Strain Deep Dive
35:33 Growing Pains and Pests
37:26 CB2 Targets and Nose Testing
39:13 Vapes Metabolism and ECS Tests
42:08 Myrcene Blue Lobster Effects
43:48 Cannabis vs Pills After TBI
49:07 Advocacy and Policy Reality
53:12 Consumption Methods and Work
56:50 Wrap Up and Where to Find
Connect with Nikki Lawley
Follow Nikki Lawley for insights on medical cannabis,
traumatic brain injury (TBI), patient advocacy, and cannabinoid education:
Website: nikkiandtheplant.org
Instagram and Facebook: @nikkiandtheplant
LinkedIn: Nikki Lawley
Want Exclusive Content and Ad-Free Episodes?
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subscribe, and hit the notification bell for more expert insights into cannabis
science, pharmacology, plant medicine, and natural products.
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Mar 20
59 min

There are all sorts of misconceptions about coffee — that it dehydrates you, that it’s bad for your heart, or that caffeine is the only thing happening in the cup.
Dr. Riley Kirk welcomes coffee scientist Dr. Steven Helschien, widely known as “Dr. Coffee,” for a fascinating conversation exploring the chemistry, health effects, and cultural significance of one of the world’s most widely consumed psychoactive plants: coffee. With a background in chemistry and extensive experience in coffee education and research, Dr. Helschien breaks down the complex science behind coffee in a way that is both practical and accessible.
They discuss coffee as a psychoactive plant medicine, examining not only caffeine but also the wide range of entourage compounds that influence its physiological and cognitive effects.
Dr. Helschien and Dr. Kirk explore coffee’s relationship with inflammation, liver health, and cardiovascular markers, unpacking what current research suggests about coffee consumption and long-term wellness. They also explore the importance of coffee quality, including concerns about mold contamination, sourcing practices, and what consumers should look for when choosing high-quality beans. The conversation touches on brewing techniques and the science of extraction, the chemistry behind decaffeination methods, and why caffeine affects the body the way it does.
The episode also expands into broader discussions about coffee as plant medicine, the cultural role of caffeine, and the fine line between daily ritual and dependence.
Dr. Helschien shares insights into mold-free coffee sourcing, considerations around caffeine and breastfeeding, and practical strategies like caffeine cycling to maintain sensitivity to its effects.
This is a conversation for anyone who loves coffee but wants to understand what’s really happening in the cup. Whether you're curious about caffeine’s effects, confused by common coffee myths, exploring brewing methods, or simply trying to get more out of your daily ritual, this episode offers science-backed insight in an accessible way. From the chemistry of flavor and roasting to the physiology of caffeine and the cultural habits surrounding coffee, Dr. Helschien helps demystify one of the world’s most widely consumed beverages.
Episode Chapters:
01:02 Meet Dr Coffee
02:08 Psychoactive Plant
03:04 Entourage Compounds
06:04 Inflammation And Liver
08:19 Quality And Mold
10:13 Brain Heart Plaque
23:43 Brewing And Decaf
35:43 Decaf Methods Explained
36:49 Why Caffeine Works
38:36 Coffee as Plant Medicine
39:39 Coffee Addiction and Culture
43:12 Mold Free Coffee Buying
45:49 Breastfeeding and Caffeine
47:20 Caffeine Cycling Hack
59:15 Community Q&A and Wrap Up
Get Free Coffee Science Resource from Dr. Helschien:
[email protected]
Connect with Dr. Helschien:
LinkedIn - Dr. Steven Helschien
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Mar 6
1 hr 10 min

Dr. Riley Kirk welcomes Dr. Harold Han, Chief Science Officer and Co-Founder of Vertosa to explore the fascinating world of the science powering modern cannabis beverages and infused products. Known in
the industry as “The Happy Chemist,” Dr. Han explains how emulsion technology solves the classic oil-and-water problem that makes cannabinoids difficult to incorporate into drinks. The conversation breaks down how water-compatible cannabinoids are created, why droplet size and consistency matter for potency and onset, and how stability challenges differ between beverages and gummies.
They explore oxidation rates of major cannabinoids, packaging risks like
“scalping” from can liners, and new patented approaches to preserving potencyin infused drinks.
They also examine the full beverage development pipeline, from cannabinoids and infusion technology to formulation, manufacturing,
testing, and distribution, highlighting the many points where potency and
quality can be affected. Dr. Han clarifies the difference between nano and
micro emulsions, why most commercial cannabis drinks use nano systems, and how natural emulsifiers influence formulation choices. The discussion further explores how the human body processes emulsified cannabinoids, why food (especially fat) changes edible effects, and how fast-acting beverages work at a physiological level. They discuss new human research initiatives, patient applications such as consistent dosing without sugar or smoke, and how standardized emulsions could transform both clinical research and at-home use.
Looking ahead, Dr. Han shares insights on full-plant formulations, the future of cannabis as a precise delivery system for medicine, and the role of science-driven innovation in making cannabinoids more accessible, consistent, and scalable across recreational, wellness, and medical markets.
Chapters
00:00 Welcome + Meet Dr. Harold Hahn (“Happy Chemist”) & What Vert Does
00:52 From Cannabis Stigma to Conscious Living: Harold’s Personal Journey
02:18 The Oil-and-Water Problem: Emulsifiers Explained for Cannabis Drinks
04:13 Vert’s Water-Compatible Cannabinoids: Droplet Size, Consistency & Effects
09:48 Stability Deep Dive: Physical Separation, Oxidation Rates & Gummies vs Beverages
16:05 Packaging Pitfalls: Can Liners, “Scalping,” FTIR Testing & a New Patent Fix
22:49 Beverage R&D Checklist: The 7-Step Supply Chain + Taste/Mouthfeel Priorities
27:16 Flavor Wars: Tasteless THC vs “Tastes Like the Plant”
28:37 Nano vs Micro Emulsions Explained (It’s Not Just Size)
31:40 Why Most Cannabis Drinks Use Nano: Natural Emulsifiers
& Custom Control
34:38 Fast-Acting vs Slow-Acting: What Your Gut Does With
Emulsions
37:41 Food Effects + The New UCSF Cannabis Beverage PK Lab
40:32 Patient Benefits: Consistent Dosing, No Sugar, Full-Plant Medicine
44:23 Research, DIY Possibilities & Big-Picture Wrap-Up
Connect with Dr. Harold Han
LinkedIn: Harold Han Ph.D. (The Happy Chemist)
Company: Vertosa — https://vertosa.com/
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Keep Up with Dr. Riley Kirk
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https://www.youtube.com/@cannabichem
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https://www.appliedpharmacognosy.org/
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Feb 20
57 min
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