Supplement Safety Articles
Evidence-based analysis of heavy metal testing and safe alternatives.
🔥 Featured News
5 New Protein Lab Results: CSE & Ritual
Clean Simple Eats is now the #1 safest chocolate whey. Ritual and Truvani also pass new 2026 heavy metal screenings.
Read Full Update →🥛 Protein Powder Safety
Lead in Protein: 28 Brands Ranked
Our most viewed resource. Every brand tested by CR, ranked from safest to most contaminated.
View Rankings →Lead-Free Protein Database
Complete data on 134+ brands. Which are verified safe and which are still untested? Updated January 2026.
View Database →ON Gold Standard Analysis
Why the world's most popular protein powder earned a #5 safety ranking.
Read Analysis →Premier Protein Analysis
Does the viral Costco shake contain lead? We break down the powder vs. liquid results.
Read Analysis →Fairlife Safety Verdict
Is Core Power safe? Analysis of Fairlife's heavy metal risks and 2026 data.
Read Analysis →Naked Nutrition Warning
Why this brand ranked #23 (Worst) with 1,572% over safe lead limits.
Read Warning →💪 Creatine Purity
Best Clean Creatine 2026
Complete guide to 15+ NSF verified brands. Avoid DCD and DHT contaminants.
Read Guide →Full Creapure® Brand List
Every brand using the gold-standard German creatine monohydrate.
View List →The DCD Cyanide Risk
How cheap creatine synthesis can lead to toxic byproduct contamination.
Read Alert →⚖️ Brand Showdowns
Premier vs. Muscle Milk
Safety, macros, and value. Which RTD shake is actually the better choice?
See Comparison →Body Fortress vs. ON
Walmart's budget king vs. the world's #1. Is the extra $0.10 worth it?
See Comparison →Vega vs. Orgain
The two plant-protein giants face off in heavy metal testing results.
See Comparison →Kirkland vs. Elevation
Costco and Aldi protein powders: Which store-brand is safer?
See Comparison →📘 Life-Stage Safety Guides
Pregnancy Safety Guide
Lead crosses the placenta. Here are the only 3 proteins verified safe for expectant moms.
Read Guide →Teen Athlete Guide
Growing brains absorb lead faster. How to choose safe protein for student athletes.
Read Guide →Best for Weight Loss
Verified-safe options with high protein-to-calorie ratios for fat loss.
Read Guide →Best Protein for Ozempic & GLP-1 Users
74% of protein powders contain dangerous lead levels. Safe picks for Ozempic, Wegovy & Mounjaro users—plus 3 brands to avoid.
Read Guide →