Doctor's Best Best Spirulina
Backed by 9 studiesOverall grade based on research across 4 ingredients.
67out of 100Grade B
Research evidence score
Weighed against 9 published studies · led by Retinol
Solid pick. Retinol, Spirulina and Magnesium have real research behind them, Iron is only a light dose here.
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.
Compare with another productIngredient breakdown
A
RetinolSupports vision and immune function
Research: Established essential nutrientDaily Value: 156%Dose: 4687 IUEvidence strength: Established nutrient — this product provides a meaningful dose
D
IronSupports oxygen transport and energy
Research: Established essential nutrientDaily Value: 2.2%Dose: 0.4 mgEvidence strength: Established nutrient — only a token dose in this product
C
SpirulinaReduces oxidative stress and improves lipid profile
Research direction: InconclusiveEvidence: 6 studiesDose: 1500 mgEvidence strength: Moderate - supportive but mixed
B
MagnesiumImproves sleep quality and muscle recovery
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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