8.8
ON
Optimum Nutrition Micronized Creatine
Optimum Nutrition (Glanbia)
The most-studied supplement in sports nutrition, from a brand that doesn't need to lie about it.
From ~$30 (120 servings)
Honest Supplement Reviews
Supplements, graded on evidence - not hype
We read the labels, check the research, and grade supplements on what science actually supports - so you stop paying premium prices for expensive urine. Informational only; talk to your doctor before starting any supplement.
16evidence-graded supplements — each checked against its label, the research, and third-party testing
5head-to-head comparisons and ranked buying guides
8.0average grade out of 10 · four graded pillars
0paid rankings. Scores are never for sale
ONOptimum Nutrition Micronized CreatineNMNature Made Vitamin D3 2000 IUGSOptimum Nutrition Gold Standard WheyJMJust Move Vegan ProteinRERitual Essential for Women 18+ MultivitaminDBDoctor's Best High Absorption MagnesiumNNNordic Naturals Ultimate OmegaPLProLon 5-Day ProgramLMLMNT Electrolyte Drink MixGLGarden of Life Sport Plant ProteinAGAG1 by Athletic GreensCuCulturelle Daily ProbioticAaAdvanced Amino FormulaMEMitochondrial EnergizerAVAdvanced Vision FormulaN6NeuroActiv6ONOptimum Nutrition Micronized CreatineNMNature Made Vitamin D3 2000 IUGSOptimum Nutrition Gold Standard WheyJMJust Move Vegan ProteinRERitual Essential for Women 18+ MultivitaminDBDoctor's Best High Absorption MagnesiumNNNordic Naturals Ultimate OmegaPLProLon 5-Day ProgramLMLMNT Electrolyte Drink MixGLGarden of Life Sport Plant ProteinAGAG1 by Athletic GreensCuCulturelle Daily ProbioticAaAdvanced Amino FormulaMEMitochondrial EnergizerAVAdvanced Vision FormulaN6NeuroActiv6
Categories we coverPerformanceProteinVitaminsSleep & RecoveryGut HealthMultivitaminElectrolytesEye HealthCellular EnergyNootropic Drink PowderNutrition Programs
Editor's choice
Our top pick right now
The highest-graded supplement right now, based on its label, dosing, and research support.
★ Top pick
ONOptimum Nutrition Micronized Creatine
by Optimum Nutrition (Glanbia)
If supplements were graded purely on evidence-per-dollar, creatine monohydrate would top the entire industry - hundreds of studies support modest strength and performance benefits from a boring 3-5g daily. ON's micronized version mixes decently, tests clean, and costs pennies a day. The rare supplement that is exactly what it claims.
Creatine monohydrate is the most-researched performance supplement in existenceSingle-ingredient label: no proprietary blends, no fairy dustMicronized powder mixes better than bargain-bin creatine
8.8
Excellent
out of 10
Buying guides
Best-of guides
Shortlists for one specific goal, ranked by how well the evidence holds up.
Head to head
Latest comparisons
Side-by-side breakdowns so you can pick the winner fast.
Comparison
Whey vs Plant Protein: What the Evidence Actually Says in 2026
Optimum Nutrition Gold Standard Whey vs Garden of Life Sport Plant Protein
Read comparison →
Comparison
LMNT vs AG1: One Job Done Well vs 75 Jobs Done Vaguely
LMNT Electrolyte Drink Mix vs AG1 by Athletic Greens
Read comparison →
Comparison
Ritual vs AG1: Which Premium Daily Habit Survives a Transparency Audit?
Ritual Essential for Women 18+ Multivitamin vs AG1 by Athletic Greens
Read comparison →
All reviews
Every supplement, graded on the evidence
Each grade is the average of four pillars we rate by hand: ease of use, features, value, and support.
8.8
8.6
NM
Nature Made Vitamin D3 2000 IU
Nature Made (Pharmavite)
The USP-verified sunshine backup - cheap, tested, and worth discussing with your doctor first.
From ~$12 (100+ softgels)
8.6
GS
Optimum Nutrition Gold Standard Whey
Optimum Nutrition (Glanbia)
The default protein powder of the last two decades - unexciting, consistent, and honestly labeled.
From ~$40 (2 lb)
8.4
JM
Just Move Vegan Protein
Just Move Supplements
Dessert-flavored vegan protein - banana pudding, blueberry muffin - that finally cracks the plant-protein taste problem.
From ~$40-50 per tub; variety packs available
8.4
RE
Ritual Essential for Women 18+ Multivitamin
Ritual
A traceable, vegan multivitamin that is more honest than most - but multivitamins themselves have a modest evidence base.
From ~$33/month (subscription)
8.4
DB
Doctor's Best High Absorption Magnesium
Doctor's Best
The gentle-form magnesium for a mineral many diets run short on - minus the digestive drama.
From ~$15-20 (120 tabs)
8.4
NN
Nordic Naturals Ultimate Omega
Nordic Naturals
The fish oil for people who eat no fish - concentrated, tested, and honest about what omega-3s can do.
From ~$28 (60 softgels)
8.0
PL
ProLon 5-Day Program
L-Nutra (ProLon)
The fasting-mimicking diet in a box - five days of engineered meals that tell your cells you are fasting while you technically eat.
From ~$175-195 per 5-day kit
8.0
LM
LMNT Electrolyte Drink Mix
LMNT
A legitimately useful tool for heavy sweaters and keto dieters - and an expensive habit for everyone else.
From ~$45/30 sticks (~$1.50 per stick)
8.0
GL
Garden of Life Sport Plant Protein
Garden of Life (Nestlé Health Science)
The plant protein that takes testing seriously - third-party certified, organic, and honest about tasting like plants.
From ~$45 (per tub)
8.0
AG
AG1 by Athletic Greens
Athletic Greens (AG1)
The $99 green ritual - a genuinely convenient nutrition catch-all with a price and a proprietary blend that both deserve scrutiny.
From ~$79-99/month (subscription)
8.0
Cu
Culturelle Daily Probiotic
Culturelle (DSM-Firmenich)
The probiotic with an actual named strain - modest promises from a category drowning in big ones.
From ~$25 (30 capsules)
7.8
Aa
Advanced Amino Formula
Advanced Bionutritionals
Essential amino acids aimed at age-related muscle loss - a reasonable supplement wrapped in an unreasonable sales letter.
From $39.95/bottle; $33-36 in multi-packs
7.2
ME
Mitochondrial Energizer
Advanced Bionutritionals
CoQ10 and PQQ have real but modest science - and this formula prices that science like a miracle.
From ~$79.95/bottle
7.2
AV
Advanced Vision Formula
Advanced Bionutritionals
Real lutein and zeaxanthin science wrapped in a direct-sale funnel with padding you did not ask for.
From ~$39.95/bottle
7.2
N6
NeuroActiv6
NaturalCell
Some genuinely researched ingredients, one big unanswered question: are the doses real?
From ~$45-50/tub
Our method
How a supplement earns its grade
No brand pays for a grade. We read the label, check what peer-reviewed research supports at what dose, verify third-party testing, then rate four things from 1 to 5.
⚡
Ease of use
Dose format, servings per day, and whether it is easy to keep taking.
⚙
Features
The formula - which ingredients, at what doses, and what the evidence shows.
💰
Value
Cost per effective serving, not cost per bottle.
💬
Support
Third-party testing, label accuracy, and how clearly the brand answers questions.
Who's behind these reviews
Evidence-first grades by Alex
Founder & lead researcher — I read the label and the research before a grade goes up - and I am not a doctor. More about me →
Pay for what the research supports.
Label-first grades with the method in plain sight — so the next bottle you buy is backed by more than marketing.
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