Honest reviews for every vitamin and fitness supplement
The front of the bottle promises a headline dose. The Supplement Facts panel quietly asks you to take two, three, or four capsules to get it. Here's how serving-size math turns a 60-count bottle into a 15-day supply, and how to compare supplements by cost per real daily dose.
Nearly every tub and bottle in the supplement aisle leans on a research citation somewhere, and plenty of those studies are legitimate — just not for the product in your hand. Here's a practical, five-minute audit for matching the science on the label to the actual dose, form, and serving size you'd be swallowing.
Electrolyte packets are sold like magic hydration dust, but many are just sodium, sweetener, and a handsome markup. Here's how to read the label, compare formulas, and decide whether you actually need one before your next long run.
Probiotic shelves look like a contest to see who can print the biggest number. But 50 billion CFUs tells you almost nothing without strain names, an expiration guarantee, and storage details. Here's how to read the rest of the label before you spend $40 on a bottle.
We bought 15 melatonin gummies and tablets from pharmacies and online retailers, then sent them to an independent lab. The results were a wake-up call: some products contained less than half the melatonin on the label, while others packed nearly triple the dose. Here's what that means for your nightly routine—and how to pick a sleep supplement that won't surprise you.
That bottle of fish oil from 2019 isn't doing you any favors — and neither is the gummy multivitamin that's fused into one brick. Here's a no-nonsense weekend game plan for auditing your stash, storing what survives, and tossing the rest without trashing your pipes.
That innocent-looking bottle of St. John's Wort or green tea extract could be quietly working against your prescription meds. We talked to pharmacists about the interactions most gym-goers never see coming — and what to say at your next checkup.
Flavoring, not protein quality, is where a lot of your tub money actually goes. We ran a blind taste test of vanilla, chocolate, and fruit flavors across budget and premium brands to find out which ones are worth paying for.
B12 is splashed across energy drinks and mega-dose bottles like everyone's deficient. For most Americans, that's not true — and a simple blood test beats guessing every time. Here's who actually needs B12, who's wasting money, and how to decode the label.
Not all prenatal iron is created equal — and the cheapest form on the label can turn morning sickness into an all-day event. We break down ferrous sulfate, chelated bisglycinate, and everything in between, plus what to look for on a label if your stomach is already on edge.
CVS, Walgreens, and Walmart house-brand vitamins get dismissed as overpriced convenience buys — but our label-by-label comparison suggests the pharmacy shelf might quietly beat the warehouse club. Here's when to grab the drugstore generic, and when you should still look elsewhere.
We bought 12 vitamin D3 supplements ranging from $3 pharmacy staples to $45 subscription darlings and shipped every bottle to an independent lab. The potency results made us rethink what 'premium' actually means.
Two zinc supplements with nearly identical labels can sit at opposite ends of the price spectrum — one at the dollar store, one behind glass at the mall kiosk. We break down where that price gap actually goes and when spending more genuinely gets you a better product.
Kirkland fish oil, Amazon Basics vitamin D, Target's up&up — private-label supplements have gone from afterthought to market force. Here's when the store brand is a genuinely smart buy, and when the savings aren't worth the gamble.
Most brands will happily show you a flashy seal — far fewer will hand you the actual lab report. Here's how to request a Certificate of Analysis, decode the batch numbers and ISO methods, and spot when a company's transparency ends at the marketing department.
Ashwagandha has gone from Ayurvedic staple to latte foam topper to gummy shelf regular — but most trendy products deliver a fraction of the dose used in clinical research. Here's how to read an adaptogen label like a skeptic and figure out which formats are worth your money.
That 6-pound bag of protein from Costco costs less per scoop than a latte, and most of the time it delivers. But third-party testing has caught warehouse staples cutting corners in ways boutique brands rarely do — here's how to know which shelf you're actually shopping from.
Greens powders promise a farm's worth of vegetables in one scoop, but most tubs are padded with cheap grasses and dusted with exotic-sounding ingredients at doses too small to matter. We break down the label tricks, the fillers, and when frozen spinach beats the blender scoop.
Gummy supplements are the fastest-growing corner of the vitamin aisle, but they come with trade-offs most shoppers never hear about. We dug into the sugar math, the dosing science, and the heat stability issue to help you decide whether gummies belong in your routine — and which ones to pick if they do.
Ever notice how the best-reviewed supplements on European forums are impossible to find on Amazon? There's a regulatory reason for that — and understanding it might change how you shop at home. We break down how the EU, Japan, and Australia approach supplements differently, and what's actually worth squeezing into your suitcase.