Hermetica Superfood Encyclopedia
The Short Answer
Betaine anhydrous (trimethylglycine) functions as a methyl donor and osmolyte, supporting cellular hydration and energy metabolism. It increases muscle creatine levels through methionine recycling pathways, enhancing power output and strength performance.
CategorySports & Performance
GroupOther
Evidence LevelStrong
Primary Keywordbetaine anhydrous benefits
Synergy Pairings5
Betaine Anhydrous (TMG) — botanical close-up
Health Benefits
Enhances power output by increasing muscle creatine levels, which fuels explosive movements. This results in improved performance in high-intensity activities. - Supports hydration and cell volumization, leading to better muscle pumps and endurance. - Boosts strength by promoting protein synthesis, which aids in muscle growth and repair. - Reduces fatigue by lowering homocysteine levels, improving overall energy metabolism. - Enhances cognitive function by supporting neurotransmitter synthesis, which improves focus and mental clarity. - Promotes heart health by supporting healthy homocysteine levels, reducing cardiovascular risk. - Improves body composition by supporting fat loss while preserving lean muscle mass.
Origin & History
Natural habitat
Betaine Anhydrous, also known as trimethylglycine (TMG), is derived from sugar beets and other plant sources.
“Traditionally, betaine has been used in animal feed to improve growth and performance.”Traditional Medicine
Scientific Research
Studies suggest Betaine Anhydrous can enhance muscle endurance and strength, with some evidence from RCTs supporting its efficacy.
Preparation & Dosage
Traditional preparation
Dosages typically range from 1.5 to 3 grams per day. Consult a healthcare provider before use.
Nutritional Profile
Betaine Anhydrous (TMG) is a trimethyl derivative of the amino acid glycine (chemical formula: C5H11NO2, MW: 117.15 g/mol). It is not a macronutrient source — zero protein, fat, or carbohydrate contribution at typical supplemental doses. Key bioactive compound: trimethylglycine at 100% concentration in anhydrous form (no water of crystallization). Typical supplemental doses range from 1,500–6,000 mg/day, with 2,500 mg/day being the most studied ergogenic dose. Contains three methyl groups per molecule, making it a potent methyl donor in one-carbon metabolism. Acts as an osmolyte, stabilizing intracellular water balance at physiological concentrations of approximately 1–5 mM in human tissues. Naturally found in beets (~150–300 mg/100g fresh weight), spinach (~600–645 mg/100g), quinoa (~390 mg/100g), and wheat germ (~1,240 mg/100g). No significant vitamin or mineral content in isolated supplement form. Bioavailability: highly bioavailable orally, with peak plasma concentrations reached within 60–90 minutes post-ingestion; absorption occurs primarily in the small intestine via sodium-dependent transport mechanisms. Plasma betaine levels increase dose-dependently, with chronic supplementation (2,500 mg/day for 14 days) elevating plasma levels from a baseline of approximately 40–50 µmol/L to 200–300 µmol/L.
How It Works
Mechanism of Action
Betaine anhydrous donates methyl groups to homocysteine via betaine-homocysteine methyltransferase (BHMT), regenerating methionine for creatine synthesis. As an osmolyte, it maintains cellular fluid balance by accumulating in cells during dehydration stress. The increased methionine availability enhances creatine phosphate stores, fueling the ATP-PCr energy system during high-intensity exercise.
Clinical Evidence
Multiple randomized controlled trials with 12-23 participants show 2.5g daily betaine increases power output by 17-25% and total training volume by 6.5% over 1-2 weeks. A 6-week study demonstrated 4% increases in bench press power and 5% improvements in squat power with 1.25g twice daily. However, some studies show minimal effects on body composition, and research is limited by small sample sizes and short durations.
Safety & Interactions
Betaine anhydrous is generally well-tolerated with mild side effects including nausea, stomach upset, and diarrhea at doses above 4g daily. It may increase homocysteine levels in individuals with MTHFR gene variants, potentially affecting cardiovascular health. No significant drug interactions are documented, but it may enhance the effects of methylation-dependent medications. Safety during pregnancy and breastfeeding has not been established.
Synergy Stack
Hermetica Formulation Heuristic
Also Known As
N,N,N-trimethylglycineTMGGlycine betaineTrimethylammonioacetateLycineOxyneurineAbromine
Frequently Asked Questions
What is the optimal betaine anhydrous dosage for muscle performance?
Research supports 2.5g daily taken as a single dose or split into 1.25g twice daily. Studies showing performance benefits used doses ranging from 1.25-2.5g daily for 1-6 weeks.
How long does betaine anhydrous take to work for strength gains?
Power output improvements can occur within 1-2 weeks of supplementation at 2.5g daily. Maximum strength and muscle volume benefits typically develop after 6-8 weeks of consistent use.
Can betaine anhydrous be taken with creatine monohydrate?
Yes, betaine and creatine work synergistically since betaine supports endogenous creatine synthesis through methionine recycling. Taking both together may provide superior strength and power benefits compared to either supplement alone.
Does betaine anhydrous cause water retention or bloating?
Betaine may cause mild intracellular water retention that enhances muscle volumization rather than subcutaneous bloating. This osmolytic effect contributes to improved muscle pumps and performance rather than uncomfortable water gain.
Is betaine anhydrous the same as betaine HCl for digestion?
No, betaine anhydrous (trimethylglycine) is used for athletic performance and methylation support, while betaine HCl contains hydrochloric acid for digestive support. They have different mechanisms and cannot be used interchangeably.
What foods naturally contain betaine anhydrous, and can I get enough from diet alone?
Betaine is found naturally in foods like beets, spinach, quinoa, and whole grains, with beets being the richest source. However, achieving the performance-enhancing dose of 2.5 grams daily through diet alone would require consuming impractically large quantities of these foods. Supplementation with betaine anhydrous is the most practical way to reach therapeutic levels for athletic performance benefits.
Does betaine anhydrous interact with common medications or blood pressure drugs?
Betaine anhydrous is generally well-tolerated with minimal documented drug interactions, though individuals taking blood pressure medications should consult their healthcare provider since betaine may have mild cardiovascular effects. Betaine's role in lowering homocysteine could theoretically interact with B-vitamin medications, but clinically significant interactions are rare at standard supplemental doses. Always inform your doctor about betaine supplementation if you're on prescription medications.
Who benefits most from betaine anhydrous supplementation, and who should avoid it?
Betaine anhydrous is most beneficial for athletes engaged in high-intensity strength training, powerlifting, and explosive sports where muscle power output is critical. Pregnant and nursing women should avoid betaine supplementation due to limited safety data in these populations. Individuals with kidney disease or those prone to elevated homocysteine levels should consult a healthcare provider before use, as betaine's metabolic effects may require medical oversight.
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