BioStacks
Nature Made

Super D

1 Tablet · 70 servings · $0.24/serving

iHerbAmazon

Best for

ImmuneDentalBone & Joint

Ingredients (5)

Vitamin D3

100%

Dose

4000 IU

Target

1000–5000 IU

Form

Premium

Selenium

100%

Dose

100 mcg

Target

100–200 mcg

Form

Standard

Zinc

73%

Dose

11 mg

Target

15–30 mg

Form

Budget

Copper

45%

Dose

450 mcg

Target

1000–2000 mcg

Form

Budget

Calcium

50 mg

Trace amount — not scored

Other Ingredients (8)

SucroseSweetener

Added sugars and high glycemic load; dental caries risk

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

Gum AcaciaBinder

Natural plant gum (acacia) used as a binder, stabilizer, and emulsifier in foods and supplements

Microcrystalline CelluloseBinder

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

Croscarmellose SodiumDisintegrant

Cross-linked cellulose derivative used as a superdisintegrant

GlycerinHumectant

Sweet-tasting liquid used in soft capsules and liquids

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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