BioStacks
Nature Made

Magnesium L-Threonate with Vitamins C & D3

3 Capsules · 30 servings · $1.33/serving

64 / 100Good

Best for

Score Breakdown

Formulation
63
Safety
100
Final score
64/100

Ingredients (3)

Magnesium

100%

Dose

130 mg

Target

100–400 mg

Form

Premium

Vitamin D3

40%

Dose

400 IU

Target

1000–5000 IU

Form

Premium

Vitamin C

24%

Dose

60 mg

Target

250–2000 mg

Form

Budget

Other Ingredients (4)

Magnesium StearateLubricant

A salt of stearic acid used as a lubricant in tablet and capsule production

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

Microcrystalline CelluloseBinder

Plant-derived cellulose used as a binder and filler in supplements

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.