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Nutricost Calcium Citrate 650 mg Unflavored

Backed by 14 studies

Overall grade based on research across 8 ingredients.

B
71out of 100Grade B
Research evidence score

Weighed against 14 published studies · led by Calcium

Solid pick. Calcium, Vitamin A and Vitamin C (+5 more) have real research behind them.

Based on the ingredients we could read from this scan. A full label may include more — like added sugars, colorings or other ingredients — than we captured here.

How the ingredients work together

Known interactions from published nutrition research — separate from the evidence grade.

Vitamin C + Vitamin EWork together

Vitamin C regenerates oxidized vitamin E, recycling its antioxidant capacity.

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Ingredient breakdown

A
CalciumSupports bone density and muscle contraction
Research: Established essential nutrientDaily Value: 50%Dose: 650 mgEvidence strength: Established nutrient — this product provides a meaningful dose
B
Vitamin ASupports vision and immune function
Research: Established essential nutrientEvidence strength: Established essential nutrient — extensively researched
B
Vitamin CSupports immune function and antioxidant defense
Research: Established essential nutrientEvidence strength: Established essential nutrient — extensively researched
B
Vitamin D3Supports bone health and immune function
Research: Established essential nutrientEvidence strength: Established essential nutrient — extensively researched
B
Vitamin EProtects against oxidative damage
Research: Established essential nutrientEvidence strength: Established essential nutrient — extensively researched
B
ThiaminSupports energy metabolism and nerve function
Research: Established essential nutrientEvidence strength: Established essential nutrient — extensively researched
B
RiboflavinSupports cellular energy production and antioxidant defense
Research: Established essential nutrientEvidence strength: Established essential nutrient — extensively researched
B
NiacinSupports cholesterol metabolism and cellular energy
Research: Established essential nutrientEvidence strength: Established essential nutrient — extensively researched

This summary describes only the ingredients and the research behind them — it is not a judgment of the product or its marketing. Grades reflect the weight of published evidence cross-referenced against 350M+ research papers. How we grade →

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