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Sun Protect

Backed by 70 studies

Overall grade based on research across 6 ingredients.

C
52out of 100Grade C
Research evidence score

Weighed against 70 published studies · led by Retinol

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.

Selenium + Vitamin EWork together

Selenium-dependent enzymes and vitamin E work together in the body's antioxidant defense system.

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Ingredient breakdown

C
RetinolSupports vision and immune function
Research direction: InconclusiveEvidence: 5 studiesDose: 264 mcgEvidence strength: Moderate - supportive but mixed
Spintronics: A Spin-Based Electronics Vision for the Future (2001)Rethinking the Inception Architecture for Computer Vision (2016)Swin Transformer: Hierarchical Vision Transformer using Shifted Windows (2021)
D
Vitamin CSupports immune function and antioxidant defense
Research direction: Leans unsupportiveEvidence: 5 studiesDose: 10 mgEvidence strength: Weak - research is split or limited
C
NiacinSupports cholesterol metabolism and cellular energy
Research direction: Leans supportiveEvidence: 12 studiesDose: 20 mgEvidence strength: Moderate - supportive but mixed
C
Vitamin EProtects against oxidative damage
Research direction: Leans supportiveEvidence: 15 studiesDose: 6.7 mgEvidence strength: Moderate - supportive but mixed
D
SeleniumSupports thyroid function and antioxidant defense
Research direction: Leans unsupportiveEvidence: 28 studiesDose: 20 mgEvidence strength: Weak - research is split or limited
C
Sun Protect ProprietarySupplementation and health effects
Research direction: Leans supportiveEvidence: 5 studiesDose: 900 mgEvidence strength: Moderate - supportive but mixed
Meta-analysis in clinical trials (1986)The randomized clinical trial. (1972)A Multicenter, Randomized, Controlled Clinical Trial of Transfusion Requirements in Critical Care (1999)

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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