- Made to GMP & ISO9001 standards
- Third-party tested, batch by batch
Pure TMG Supplement
Support Methylation, Protect DNA, and Strengthen Cellular Health at Every Level
- Boosts Cellular Energy
- Optimizes Metabolism
- Promotes Bone Health
- Supports Healthy Aging
- Supports Cellular Detox
- Each capsule contains 500mg TMG.
- Recommended daily serving: 1000mg TMG.
$20.00
Everything about this product
A closer look at Pure TMG Supplement
Pure TMG Supplement is part of our established individual supplement range. Review the ingredients, available format and applicable label alongside your own preferences.
Explore the linked studies alongside the product information. Keep each finding within the ingredient form, study model and conditions actually tested.
DoNotAge® Routine and DoNotAge® Performance provide daily sachet formats within our One-A-Day range. Individual supplements remain available for people who prefer to choose ingredients separately.
- Individual supplement within our established range
- Ingredient information available to review
- Product amounts listed with the applicable label
- Relevant research to read in context
- Quality information to check for your batch
Quality, purity and clear information matter across the range. Our team can help you find the relevant product and batch information.
How It Works: The Science of TMG & Methylation
Trimethylglycine (TMG), also known as betaine anhydrous, is a naturally occurring compound essential for supporting healthy methylation. Methylation is a fundamental biological process that impacts gene regulation, detoxification, cardiovascular health, and DNA repair.
As we age, methylation efficiency declines. This can result in elevated homocysteine levels, impaired DNA maintenance, and reduced detoxification capacity, all of which are linked to cardiovascular challenges, cognitive changes, and accelerated aging.
Pure TMG helps restore balance by donating methyl groups needed for critical biochemical reactions, supporting key systems that protect your health at the cellular level.
- Supports Methylation and DNA Integrity TMG contributes methyl groups necessary for converting homocysteine back into methionine, a key process supporting vascular health, neurotransmitter production, and cellular resilience.
- Promotes Liver Function and Detoxification TMG plays an important role in liver metabolism, aiding fat processing and supporting the body’s natural detoxification pathways to help maintain liver health and metabolic efficiency.
- Supports Cognitive Health and Cellular aging Defenses By maintaining effective methylation, TMG contributes to neurotransmitter synthesis and brain function while supporting DNA repair mechanisms essential for cellular health over time.
At DoNotAge.org, our mission is to lead scientific progress in healthy aging. Pure TMG is sourced and tested to meet gold standards, providing essential methylation support, protecting DNA integrity, and promoting long-term cellular function.
BENEFITS OF PURE TMG
✔ Supports Methylation & DNA Repair: Provides essential methyl groups that power DNA repair, gene expression, and healthy cellular function.*
✔ Promotes Heart & Vascular Health: Helps balance homocysteine levels, a key factor in cardiovascular health and longevity.*
✔ Enhances Liver Function & Detoxification: Supports liver health, fat metabolism, and efficient detoxification pathways.*
✔ Optimizes Cognitive Function & Mental Clarity: Aids neurotransmitter production for sharper focus, memory, and cognitive performance.*
✔ Protects Cellular Energy Production: Supports mitochondrial health to maintain lasting energy at the cellular level.*
✔ Promotes Healthy Aging & Longevity: Protects cells from methylation imbalances that accelerate aging and functional decline.*
✔ Synergistic Longevity Support: Complements NMN and other longevity compounds by maintaining methylation balance for optimal results.*
PRODUCT DETAILS
✔ Highest Purity Trimethylglycine (TMG): Ultra-pure, scientifically validated, and free from fillers or additives.
✔ Supports Essential Methylation Pathways: Critical for DNA repair, detoxification, heart health, and cognitive performance.*
✔ Clinically Relevant Dosing: Formulated for maximum effectiveness based on scientific research and biological requirements.
✔ Vegan & Non-GMO: Contains no artificial ingredients, preservatives, or animal byproducts.
✔ Third-Party & In-House Tested: Rigorously verified for purity, potency, and research-leading quality standards.
At DoNotAge.org we prioritize health over hype, delivering ingredients used in global research, not just marketed as supplements.
The Science Behind Pure TMG
Aging isn't just a matter of time, it's the gradual breakdown of your body's core cellular processes. One of the most overlooked, yet essential, is methylation: the biological mechanism that keeps your DNA stable, your liver functioning, and your heart protected.
At DoNotAge.org, we are a Health Research Organization, not a supplement brand. We conduct and fund global research into clinically relevant compounds like Trimethylglycine (TMG) and formulate only the purest versions for scientific application and human health. Every ingredient we offer is tested in-house, used by researchers, and meets the highest research standards, not marketing hype.
Why Methylation Matters
Methylation is your body’s internal engine for DNA repair, detoxification, neurotransmitter production, and cardiovascular protection. Without it, cells degrade faster, inflammation builds, and homocysteine, a harmful amino acid rises, increasing your risk of heart and liver problems.
Trimethylglycine (TMG) is a key methyl donor. It provides the essential methyl groups your body needs to power these critical biological reactions, keeping your cells resilient and your systems functioning properly.
What the Science Says
TMG has been widely studied for its impact on methylation support, homocysteine regulation, and liver health. It is frequently used by researchers in clinical trials and is valued for its ability to:
- Lower homocysteine levels - supporting heart and vascular health
- Improve liver fat metabolism and detox efficiency
- Promote DNA methylation for gene regulation and repair
- Support neurotransmitter production for mental clarity and mood balance
- Preserve mitochondrial health and energy generation
TMG is especially important for those taking longevity compounds like NMN, which may increase methylation demand. By maintaining proper methyl group availability, Pure TMG helps the body perform at its best at any age.
A Scientific Breakthrough in Longevity
At DoNotAge.org, we collaborate directly with leading scientists and health researchers to develop and validate ingredients that support the body’s most essential biological functions. Pure TMG is a result of that mission, a research-leading compound known for its role in powering methylation, protecting DNA, and maintaining heart and liver function.
Studies show that maintaining adequate methylation through TMG supplementation can:
✔ Support cardiovascular health by reducing elevated homocysteine levels
✔ Enhance liver detoxification and protect against fatty liver accumulation
✔ Promote DNA stability through improved methyl group availability
✔ Support neurotransmitter synthesis for improved mood and cognitive function
Our commitment goes beyond simply extending lifespan. It’s about improving healthspan & helping your body stay strong, balanced, and biologically resilient at every stage of life.
Scientific References & Studies:
- Low Dose Betaine Supplementation Leads to Immediate and Long Term Lowering of Plasma Homocysteine in Healthy Men and Women | The Journal of Nutrition | Oxford Academic
- Betaine attenuates chronic alcohol‑induced fatty liver by broadly regulating hepatic lipid metabolism
- Effect of betaine supplementation on power performance and fatigue (PMC)
- Betaine, a promising new agent for patients with nonalcoholic steatohepatitis: results of a pilot study
- Article Betaine, ethanol, and the liver: A review
- Effects of betaine on body composition, performance, and homocysteine thiolactone (PMC)
- Betaine in Inflammation: Mechanistic Aspects and Applications (PMC)
Pure TMG is part of our greater mission to deliver science-led, biologically essential compounds that support healthier aging from the inside out. With research-leading purity and a critical role in DNA repair, liver function, and cardiovascular health, Pure TMG helps maintain the core processes your body relies on to stay strong and resilient.
Join us in advancing human health through science. Try Pure TMG and experience what targeted methylation support can do for your body.
Alan Graves Founder & Clinical Research Advisor DoNotAge.org
*These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease.
Trimethylglycine (TMG): Methylation, DNA Support & Cardiovascular Health
At DoNotAge.org, we don’t follow longevity science, we help lead it. Pure TMG is a research-leading form of Trimethylglycine, trusted by scientists and practitioners for its critical role in methylation, liver detoxification, and homocysteine balance. Unlike many TMG supplements that include unnecessary fillers or lack purity validation, we rigorously test every batch to ensure uncompromising quality and clinical relevance.
TMG is a powerful methyl donor and it supplies the body with essential methyl groups needed for DNA repair, liver function, neurotransmitter production, and heart health. When methylation is impaired, it can contribute to DNA instability, cognitive decline, and elevated homocysteine, a risk factor for cardiovascular disease.
Scientific research shows that supplementing with TMG can help:
✔ Support DNA Methylation: Maintains healthy gene expression and cellular repair.* ✔ Balance Homocysteine: Helps reduce cardiovascular risk and support vascular health.* ✔ Promote Liver Detoxification: Supports fat metabolism and natural detox pathways.* ✔ Enhance Brain Function: Aids neurotransmitter production for focus and mood balance.* ✔ Preserve Cellular Energy: Supports mitochondrial function and biological resilience.*
Not all TMG is created equal. If you care about your health, choose TMG that meets research standards; no fillers, no shortcuts, just real science.
At DoNotAge.org, our commitment is to deliver compounds in their most bioavailable, clinically relevant form, helping you protect your cells and support long-term vitality through targeted, science-led solutions.
Pure TMG Capsules: Clean, Research-Leading Methylation Support
Our Pure TMG capsules contain highly purified Trimethylglycine (Betaine Anhydrous), encapsulated in Hypromellose (HPMC) vegetable cellulose, a plant-based, vegan-friendly alternative to gelatin. Each capsule delivers targeted methylation support in a convenient, easy-to-take form.
✔ Non-GMO & Allergen-Free: No synthetic fillers, preservatives, or artificial ingredients.*
✔ Bioavailable & Effective: Formulated for optimal absorption and biological activity.*
✔ Gentle on the Digestive System: Suitable for sensitive individuals.*
✔ Vegan & Clean Label: Free from animal byproducts and unnecessary additives.*
The DoNotAge.org Quality Guarantee
Pure TMG comes with the DoNotAge.org Quality Guarantee, ensuring every bottle meets the highest standards for purity, safety, and scientific integrity, from our facility to your doorstep.
✔ Produced to GMP and ISO9001 Standards: Manufactured under globally recognized quality systems for consistency and excellence.*
✔ Science-Led & Rigorously Tested: Each batch is independently and internally tested for purity, potency, and performance.*
✔ Full Usage Instructions Included: Your order arrives with easy-to-follow guidance for best results.*
✔ 100% Vegan & Clean: Free from animal products, artificial additives, and unnecessary fillers.*
At DoNotAge.org, we are committed to delivering research-led solutions that help people live longer, healthier lives. Pure TMG reflects our mission to support healthy aging by offering targeted, clinically relevant compounds backed by science, not marketing.

Serving size: 1 capsule. Amount per serving: 500mg TMG (Betaine Anhydrous Trimethylglycine).
Daily value not established. Other ingredients: Cellulose.
*These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease.
World-Leading Purity & Scientifically Verified Formulas
At DoNotAge.org, we are a Health Research Organization, not a supplement company. Our mission is to investigate, refine, and deliver the world’s purest longevity compounds grounded in scientific evidence, not marketing claims.
✔ Research-Leading TMG: A clinically relevant methyl donor, trusted by researchers and health professionals worldwide
✔ GMP & ISO9001 Certified: Produced under the highest global standards for quality, safety, and consistency
✔ Scientifically Validated: Every batch is tested in-house to ensure purity, potency, and biological relevance
✔ Clinically Supported: TMG’s role in methylation, cardiovascular health, and liver detoxification is well-established in scientific literature
✔ Full Transparency: We analyze and verify every batch to ensure what’s on the label is exactly what’s in the bottle
At DoNotAge.org, there’s no guesswork, just research and science - leading longevity solutions.
DoNotAge.org Quality Guarantee
This product comes with the DoNotAge.org Quality Guarantee, ensuring uncompromised purity and potency from our facility to your doorstep, no matter where you live.
✔ GMP & ISO9001 Certified: Manufactured under the highest standards. ✔ Third-Party Lab Tested: Verified for purity, potency, and safety. ✔ Bioavailable & Effective: Every ingredient is carefully curated for maximum absorption and longevity benefits. ✔ Vegan & Allergen-Free: No fillers, additives, or unnecessary ingredients.
Full instructions for use are included with every order.
Join us in our mission to revolutionize health and longevity, because living longer is only worth it when you're living better.
Committed to Extending Healthy Lifespan
At DoNotAge.org, our mission is simple: To extend healthy lifespan for as many people as possible.
We believe that longevity should be accessible to everyone, not just the elite. That’s why we provide the world’s purest, research-leading supplements at the lowest possible cost so more people can benefit from the latest breakthroughs in health and aging. There's a reason our longevity ingredients are actually used in world-leading studies, and by world renown longevity experts.
We work hand-in-hand with leading scientists, longevity researchers, and medical professionals to ensure that every product we offer is at the cutting edge of human health and performance. Our advisory board includes decorated longevity scientists and medical experts, ensuring that our formulations are backed by the latest research and clinical evidence.
We aren’t a supplement company, we are a global movement of over 200,000 individuals dedicated to extending and improving human health. With a growing community spanning the United States, Canada, Australia, Germany, and beyond, we are united in a shared mission: helping people live longer, healthier, and more vibrant lives.
Why We Do What We Do
Most supplement brands focus on profit. We focus on science. We are not here to maximize profits. We are here to maximize your health and longevity.
✔ Our Commitment to Research: We actively collaborate with scientists, researchers, and anti-aging experts to stay ahead of the latest breakthroughs. ✔ Making Longevity Accessible: We keep our prices as low as possible so that more people can benefit from life-extending science. ✔ No Compromises on Quality: Every batch of Pure TMG meets the strictest testing and safety standards in the industry.
At DoNotAge.org, we are a Health Research Organization, our profits fund longevity studies and conduct our own research, ensuring that our ingredients are actually used in clinical trials.
Product & Usage
What is Pure TMG, and how does it work?
Pure TMG (Trimethylglycine) is a methyl donor that supports the body’s methylation processes, essential for DNA repair, gene expression, detoxification, and homocysteine balance. Proper methylation is key to healthy aging, cardiovascular function, and cellular protection.
How should I take Pure TMG?
Swallow with water. Each capsule contains 500mg of Pure TMG for easy daily use.
What is the recommended daily dosage?
The typical recommended dosage for Pure TMG is 500mg to 1,000mg per day, taken as one to two capsules, depending on your health goals and dietary intake.
When is the best time to take TMG?
Pure TMG can be taken at any time of day, with or without food. Follow the instructions on your product label.
Is Pure TMG safe for long-term use?
Follow the product label and ask a qualified healthcare professional whether daily use is appropriate for you, especially if you have a medical condition or take medication.
At what age should I consider taking TMG?
Ask a qualified healthcare professional whether this product is appropriate for your age and health needs.
Quality & Purity
Is it tested for purity?
Every batch is tested for purity. Certificates of analysis are available on request.
Are There Any Fillers in Your TMG Capsules?
The capsules contain only Pure TMG in a plant-based cellulose shell.
Is Pure TMG suitable for vegans?
This product is suitable for vegans and vegetarians.
How should I store Pure TMG?
Store in a cool, dry place away from heat and direct sunlight.
Delivery
How fast do you ship once I place my order?
Orders are usually dispatched within 48 hours. See the delivery options and cost for your country at checkout before you pay.
Additional Questions
Should TMG be taken separately from medication?
If you are currently taking prescription medication or have a medical condition, it’s best to consult your healthcare provider before introducing TMG into your routine.
Is TMG safe to take while pregnant or nursing?
There is limited clinical research on TMG use during pregnancy or breastfeeding. As a precaution, we recommend speaking with your healthcare professional before use during these periods.
Can I give TMG to my child?
Pure TMG is formulated for adult use. If you're considering TMG supplementation for a child or adolescent, seek guidance from a qualified healthcare professional.
Where can I find more research on TMG?
DoNotAge.org is committed to scientific transparency. You can explore research articles, scientific references, and detailed information about TMG and methylation support on our Science & Research page, or reach out to our support team for further guidance.
Why buy this from us
Scientists choose our ingredients
Scientists choose DoNotAge.org ingredients for their own research. We have worked with more than 100 researchers around the world.
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Your order helps pay for research into aging. See some of the work at the DoNotAge® Conference.
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