Fruit & Nut Bar + Vitamins A, C & E, Dark Chocolate Cherry

Backed by 11 studies

Overall grade based on research across 4 ingredients.

43out of 100Grade D

Research evidence score

Weighed against 11 published studies · led by Vitamin D3

Mixed bag. Vitamin D3, Calcium and Potassium have real research behind them, but Iron doesn't have enough studies yet.

How the ingredients work together

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

Calcium vs IronCompete

Calcium inhibits iron absorption when taken together. If you take this for the iron, consider spacing it from calcium-rich meals or supplements.

Compare with another product

Ingredient breakdown

Vitamin D3Supports bone health and immune function

Research direction: InconclusiveEvidence: 1 studyEvidence strength: Moderate - supportive but mixed

Vitamin D Deficiency (2007)

CalciumSupports bone density and muscle contraction

Research direction: InconclusiveEvidence: 5 studiesDose: 90 mgEvidence strength: Moderate - supportive but mixed

—

IronSupports oxygen transport and energy

Research direction: No studies foundEvidence: 0 studiesDose: 1 mgEvidence strength: Not enough research yet - no studies found for this specific claim

PotassiumSupports blood pressure regulation and muscle function

Research direction: InconclusiveEvidence: 5 studiesDose: 110 mgEvidence strength: Moderate - supportive but mixed

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 →

Check what's really in your products

Scan any label and see what the research actually says.

Scan a product