Fitties Journal

Most athletes do not strictly need a multivitamin, and any brand that tells you otherwise is selling you fear. If your diet is genuinely dialed in, you can hit your...

Which hair, skin, and nails vitamins actually work? An honest look at biotin, silicon, collagen, vitamin C, and zinc, the hype to skip, and how to choose.

Most magnesium never reaches your brain. The common forms, oxide and citrate, do useful work in the gut and muscles, but they barely move the needle on magnesium levels inside...

Most supplement stacks are built on impulse, not strategy. This guide teaches a three-layer framework for choosing, combining, and timing your supplements. Then use the free Supplement Stack Builder to...

Injury recovery demands more from your diet, not less. This guide covers the key nutrients, foods, and supplementation strategies that support tissue repair, muscle preservation, and a stronger return to...

Magnesium is involved in over 300 enzymatic reactions, yet nearly half of Americans do not get enough. This guide compares supplement forms, explains why absorption varies so widely, and covers...

The supplement industry generates tens of billions in revenue every year, and a staggering amount of that comes from people buying products they do not need based on claims that...

Women have unique nutritional needs that shift across life stages. This guide covers the essential vitamins, minerals, and supplements that support women's health, from iron and folate to omega-3s, probiotics,...

Athletes burn through micronutrients faster than the general population, and most don't replace them fast enough. This guide breaks down which vitamins and minerals matter most for performance and recovery,...

Your body doesn't just lose water during training. It loses the minerals that keep muscles firing, nerves signaling, and temperature regulated. Here's how to build a hydration strategy that actually...