Lutein
Backed by 5 studiesOverall grade based on research across 1 ingredient.
55out of 100Grade C
Research evidence score
Weighed against 5 published studies · led by Lutein
Ingredient breakdown
C
LuteinSupports non-nutrient/non-botanical function
Research direction: Leans supportiveEvidence: 5 studiesDose: 10 mgEvidence strength: Moderate - supportive but mixed
Is Non-Timber Forest Product Harvest Sustainable in the Less Developed World? A Systematic Review of the Recent Economic and Ecological Literature (2012)Efficacy and Safety of Standardized Ethanol Extract of Purple Perilla (<i>Perilla frutescens</i> Britton var. <i>acuta</i> Kudo) Leaves in Cognitive Impairment: A Randomized, Double-Blind, Placebo-Controlled Clinical Trial. (2026)Tropical montane cloud forest: environmental drivers of vegetation structure and ecosystem function (2015)
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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