Overview
Methyl donor used for power output and body composition.
- Endogenously produced or biosynthesized molecule
- Standardized pharmaceutical- or food-grade supplement
- Combined with cofactors that improve absorption or activity
- Capsule or softgel
- Powder
- Sublingual or buccal
- Liposomal liquid
Forms & variants of Betaine Anhydrous (TMG)
Different chemical forms of Betaine Anhydrous (TMG) behave differently. Browse each form's mechanism, bioavailability, and best-use context.
Mechanism of action
Osmolyte and methyl donor for creatine and homocysteine metabolism.
- · Osmolyte
- · methyl donor for creatine
- · homocysteine metabolism
Effects on the body
Organ system effects
Betaine (Strength) supports energy delivery, fatigue resistance, or recovery in athletic populations.
Evidence-based benefits
Improves power output
Moderate evidencePotential side effects
- · Fishy odor
Drug interactions
Supplement interactions
- Creatine monohydrateFoundational support for strength, power, and lean mass.
- Whey or EAAsProvides amino acid substrate for muscle protein synthesis.
No specific avoidances listed.
Dosing & bioavailability
Where to buy
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Third-party testedIndependently verified Betaine (Strength) — look for USP, NSF, or Informed Sport seals on the label for purity and dose accuracy.Betaine (Strength) third party tested NSF
CapsulesPre-measured Betaine (Strength) capsules — easiest for travel and consistent daily dosing without scoops or scales.Betaine (Strength) capsules
PowderBulk unflavored Betaine (Strength) powder — best cost-per-gram and flexible dosing for stacking or mixing into drinks.Betaine (Strength) powder unflavored
Best sellersMost-purchased Betaine (Strength) products on Amazon — a quick way to see what's reviewed widely before you commit.Betaine (Strength) best sellerScientific evidence8Show studiesHide studies
Betaine on strength
Lee EC, et al.
14-day DB-RCT in trained men.
Improved bench-press power and vertical jump.
PubMed: Betaine (Strength) — Improves power output
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PubMed: Betaine (Strength) — randomized controlled trial
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PubMed: Betaine (Strength) — meta-analysis
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PubMed: Betaine (Strength) — dose response
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Google Scholar: Betaine (Strength) — clinical evidence
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Cross-database citation index for Betaine (Strength) as it relates to "clinical evidence".
Includes preprints, theses, and journal articles. Useful for tracking citation counts and follow-on work.