Vitamin D-3 & K-2

Name: Vitamin D-3 & K-2
Brand: GNC

softgel90 servings1 Softgel Capsule(s)

Women (not pregnant or lactating)Gluten FreeDairy FreeSugar Free

/100good label

Check price on iHerb

Supplement Facts

Ingredient	Amount	% DV% Daily Value — how much of the recommended daily intake one serving provides, based on a 2,000 calorie diet. 100% = full daily need. Values over 100% are common for water-soluble vitamins (B, C) and generally safe. Values over 200% are highlighted.
Vitamin D	62.5 mcg	313%
Vitamin K2	100 mcg	—

Other ingredients: Medium Chain Triglyceride, Gelatin, Glycerin, Corn Oil

Score Breakdown

Dosage TransparencyAre all ingredient amounts explicitly listed on the label? Are %DV values provided where applicable? This measures transparency of dosing, not clinical efficacy.

20/35

Label TransparencyHow complete is the labeling? Checks serving info, dietary certifications, and whether any doses are hidden behind proprietary blends.

23/25

Formulation CleanlinessHow clean are the inactive ingredients? Penalizes artificial colors, sweeteners, titanium dioxide. Rewards vegan, gluten-free, organic.

25/25

Ingredient ProfileFormula composition signals: focused vs comprehensive, use of branded/patented forms (KSM-66, Albion, etc.), explicit dosing.

5/15

This score evaluates label quality — dosage disclosure, transparency, cleanliness of inactive ingredients, and formula composition. It does not measure clinical efficacy, bioavailability, or third-party testing. Read full methodology

Better-scored alternatives

Same category, higher SupplementScore. Based on dosage transparency, label cleanliness, and formula quality.

Jarrow FormulasProstate Optimizer

softgel30 servings

89/100+16

Health From The SunThe Total EFA Junior Chewable Orange Flavor

softgel30 servings

89/100+16

NOWA & D 10,000/400 IU From Fish Liver Oil

softgel30 servings

88/100+15

NOWCalcium & Magnesium Softgel With Vitamin D And Zinc

softgel40 servings

88/100

General Ingredient Research — not an evaluation of this product

The research summaries below are about the ingredients in general, drawn from published studies that often use different doses, forms, and populations than this product. A "strong" evidence rating for an ingredient does not mean this product will produce that effect — studied doses may be significantly higher or lower than what is contained here. Always verify doses against the Supplement Facts table above.

Vitamin D

strong

Supports bone health

Essential for calcium absorption. Deficiency leads to rickets in children and osteomalacia in adults — a well-established causal relationship.

moderate

Supports immune function

May reduce risk of respiratory infections. Active area of research.

weak

May improve mood

Some association between low vitamin D levels and depression, but evidence is inconsistent.

Reviews (0)

No reviews yet.

All scores are algorithmically generated from publicly available label data (NIH Dietary Supplement Label Database) and reflect label quality — not clinical efficacy, safety, or product quality. This page is not affiliated with or endorsed by GNC. If you represent this brand and believe any information is inaccurate, please contact us for a correction. Read full methodology