Fitties Journal

The best time to take vitamin D is with a fat-containing meal, ideally in the morning. Here are the five rules that decide how much your body absorbs, how much...

There is no single best time to take magnesium. The right time comes down to two things: your goal and the form you are taking. For calm, sleep support, or...

On keto, your body flushes out sodium, potassium, and magnesium fast. Here are the three electrolytes to replace, how much you need, and how to get them without sugar.

Do electrolytes help muscle cramps? Mostly for heavy, salty sweaters on long, hot sessions. Here is what the research shows, which minerals matter, and what helps.

Sugar is a legacy feature, not a hydration requirement. Seven label checks for a sugar-free electrolyte powder, from sodium dose to sweetener choice.

Glycinate for evening calm and sleep, L-threonate for brain magnesium and cognition. How the two forms differ, doses, and how to use them together.

Most athletes don't strictly need one, but hard training and restrictive diets open predictable gaps. What to look for: active forms, sensible doses.

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.

The one magnesium form shown to raise brain magnesium. What small but encouraging human trials show for memory and sleep, and the doses studies used.

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...

A focused stack of 3 to 5 well-chosen products beats a cabinet of mediocre ones. The three-layer framework for what to buy, what to skip, and why.

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...