Supplement Skeptic · our own tools

Evidence-first supplement tools & reports

We review supplements one at a time — and we built these tools so you can judge any bottle, dose, or claim yourself. Decoders, dose references, scam checkers, and buyer reports, each grounded in the actual evidence. We sell no supplements and take no affiliate commission.

diagnostic report

The GLP-1 Supplement Decoder

Berberine, “nature’s Ozempic,” and the GLP-1 supplement boom — decoded against the actual clinical evidence.

$27 $39
checklist

Supplement Red Flag Checker

Spot fake, underdosed, or contaminated supplements in 30 seconds with our interactive risk audit.

$11
diagnostic report

Supplement Stack Audit & Optimization Protocol

Is your $200/mo supplement stack actually working? Get a personalized audit + evidence-based protocol.

$27
calculator

NMN/NAD+ Dosage Crisis: The Buyer's Debugger

1000mg vs 250mg: which NMN dose actually works? Evidence-based calculator with cost-per-benefit.

$17
quiz report

Quiz: Which Supplement Myths Are You Believing?

Find out which of your supplement beliefs are backed by evidence (and which are marketing hype).

$9
database

Ingredient Dosage Reference Guide (Clinical vs. Commercial Audit)

See exactly how much of each ingredient you're actually getting vs. what the studies used.

$29 $45
diagnostic report

Drug-Supplement Interaction Risk Report Generator

Check your medications + supplements for dangerous interactions. Evidence-based, YMYL-safe, NIH-cited.

$27
diagnostic report

Weight Loss Supplement Buyer's Gauntlet

Compare 10+ weight-loss supplements ranked by dose transparency, refund safety, and affiliate risk.

$19 $39
decoder

The Proprietary Blend Decoder

Upload a label. We decode the proprietary blend and show you what you're actually getting—and what might be hiding.

$19 $29
diagnostic report

Sleep Supplement Decision Tree

Evidence-based sleep protocols without the melatonin trap — find your path to better sleep.

$19
diagnostic report

Colostrum Myth Exploder (Bioavailability & Growth Factor Reality Check)

Colostrum costs $80/mo but has weak evidence. Here's what actually works for gut health.

$27
comparison tool

Supplement Efficacy Scorecard & Cost Database

See 40+ supplements ranked by study count, dose transparency, and cost per scientifically-proven dose.

$29
quiz report

Supplement Selector Quiz → Personalized Protocol PDF

Answer 7 questions. Get a personalized supplement protocol matched to your age, goal, and health profile.

$19
checklist

Electrolyte Reality Check: When You Actually Need Them

LMNT vs. Gatorade vs. water+salt: a 13-point checklist to know if you need electrolytes at all.

$17
diagnostic report

Third-Party Testing Verification & Audit Report

NSF? USP? ConsumerLab? Learn what third-party testing actually means—and which supplements pass.

$24
swipe file

Peptide Injection Hype vs. Oral Reality

Peptides are hyped but most are banned or unproven. Here's what the actual research shows.

$37
database

The Metabolic Health Supplement Stack Bible

Blood sugar support supplements ranked by evidence, dose transparency, and proven stacking safety.

$39
comparison tool

Joint Health Recovery Protocol

Glucosamine vs. collagen: evidence-based protocol for joint support — ranked by dose, testing, and realistic timeline.

$34
checklist

Testosterone Supplement Myth Audit

90% of testosterone boosters are hype. Here's what the research actually shows about T-boosting supplements.

$24
calculator

The Dosage Decoder Calculator

Get the exact milligram dose personalized to your age, weight, and goal—no more guessing from generic labels.

$17
database

Supplement Ingredients Deep-Dive (Bioavailability & Research Database)

Magnesium glycinate vs oxide? Vitamin B12 forms ranked? Here's the absorption science backed by studies.

$29
diagnostic report

Weight Loss Supplement Guide: Scams, Dose Audits, and Refund Traps

Stop losing money on weight-loss supplement scams. Our guide shows you which ones actually have evidence.

$19 $29
checklist

The Supplement Safety Audit

60-second ingredient audit: dose, contamination, and interaction flags — before you buy or swallow."

$9
decoder

Supplement Label Decoder Premium

Interactive label decoder + 100+ real supplement labels analyzed. The upgraded version: decode any label in real time, see the red flags instantly.

$47
comparison tool

Supplement Cost-Per-Dose vs. Efficacy Comparison Tool

You don't need the most expensive brand. See which supplements give the best bang for buck—plus highest evidence.

$29 $49