BioStacks
Thorne

Methyl-Guard

3 Capsules × 2/day · 60 servings · $0.87/serving

iHerbAmazon

Best for

EnergyGeneral Health

Ingredients (5)

L-5-Methyltetrahydrofolate

100%

Dose/day

2400 mcg

Target

400–800 mcg

Form

Premium

Vitamin B12

100%

Dose/day

2400 mcg

Target

250–5000 mcg

Form

Premium

Vitamin B6

100%

Dose/day

40.8 mg

Target

25–100 mg

Form

Premium

Betaine Anhydrous

100%

Dose/day

3600 mg

Target

2500–6000 mg

Form

—

Folate

100%

Dose/day

4000 mcg DFE

Target

400–800 mcg

Form

Not listed

Other Ingredients (4)

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

Calcium CarbonateBuffer

Common calcium salt used as a buffering agent, filler, or mineral fortification in supplements

Calcium LaurateEmulsifier

Calcium salt of lauric acid used as a lubricant

HypromelloseCapsule

Plant-derived capsule material from cellulose

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.

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