Human evidence
We prioritize clinically relevant human data over marketing claims.
Independent supplement buying guides
Compare supplements by evidence, limits, and real-world use.
Independent guides that show what is worth buying, what is overhyped, and where the evidence actually stops.
- Evidence cited
- Evidence strength shown
- Limitations included
- MD review where scoped
Independent editorial siteNo paid rankings
Most useful first read
Why readers can trust our guides
Safety limits
We flag medication context, dose concerns, and where evidence stops.
Real-world use
We explain who a supplement may help, who should skip it, and what to compare before buying.
Public accountability
Errors are corrected and logged publicly, not quietly edited.
Editorialreview process
Written and edited by Daniel Hart
Our guides are written by science communications editor and checked against cited human evidence, safety limitations, and product claims.
Medical review: Natallia Kalistratava, MD(where guides are clinically scoped)
Daniel Hart
Science Communications Editor
Best starting points by situation
- On GLP-1 medication?Start with fiber, protein, creatine, electrolytes, and muscle-loss support.
- Comparing “natural Ozempic” claims?Read why berberine is not an Ozempic replacement.
- Hair shedding after weight loss?Compare supplement support vs proven treatments.
- SSRI sexual side effects?See what supplement evidence actually exists for antidepressant-induced ED.
- Longevity supplement shopping?Separate promising compounds from expensive hype.
- Evaluating a supplement label?Run the 90-second checklist before you buy — form, dose, certifier, additives, cost per day.
- Need label math or trial arithmetic?8 free calculators — blend floors, NNT, protein targets, magnesium elemental, metformin MUI, and more.
- Winter blues or seasonal low mood?Light therapy first, melatonin as a chronobiotic (not a sleeping pill), saffron for mood — what the trials actually show.
High-intent buying guides
Collagen Peptides for Skin: What Actually Has Evidence?
2.5 g of a studied peptide beats 20 g of generic powder for skin. What Verisol trials measured, where ceramides fit, and the label traps that waste money.
Does Korean Red Ginseng Work for ED? Dose, Timing, and How It Compares With Viagra
Korean red ginseng at 2.7 to 3 g a day for 8 to 12 weeks: six trials, mostly positive, effect modest. How that stacks up against Viagra before you buy.
Hair Loss After Weight Loss: What Actually Helps
Telogen shedding after rapid weight loss or GLP-1 treatment is common. Sort nutrition gaps, shedding triggers, and pattern hair loss before buying supplements.
Nutrafol vs Minoxidil: Which Actually Regrows Hair?
Minoxidil is FDA-approved with decades of regrowth data. Nutrafol rests on a manufacturer-sponsored RCT nobody replicated. When stacking them makes sense.
Orforglipron vs Semaglutide (Ozempic): 2026 Comparison
Orforglipron (Foundayo) vs Ozempic and Wegovy: weight-loss and HbA1c data, side effects, list prices, empty-stomach dosing, and who should skip both.
Supplements for SSRI-induced ED: what the evidence actually shows
SSRI-induced ED supplements reviewed against PubMed: saffron, L-citrulline, maca, plus yohimbine and ginkgo red flags. Evidence gaps noted.
Berberine vs Ozempic: What It Can and Cannot Do
Berberine missed its primary endpoint in the 2026 JAMA Network Open trial, so it is not 'natural Ozempic'. What the data still supports, and what it cannot do.
Best GLP-1 Companion Supplements 2026: Practical Framework
GLP-1 companion supplements for Ozempic/Wegovy/Mounjaro: protein, fiber, electrolytes first. Skip fat burners and natural GLP-1 hype.
GLP-1 Protein Powders: What Won't Upset Your Stomach
Ozempic/Wegovy protein powder guide: whey concentrate for most, isolate if dairy bothers you, clear whey, plant protein. Gut-friendly, evidence-based.
L-Citrulline for ED: 2024 Systematic Review
2024 network meta-analysis plus 1.5 g/day RCT data on L-citrulline vs L-arginine for ED. What the systematic reviews actually found, and what they did not.