NAD+ Supplements: Anti-Aging Promise or Empty Hype?
NAD+ declines with age, impairing cellular energy and repair. Precursor supplements (NMN, NR) show dramatic anti-aging effects in mice but only modest results in human trials so far. Here's where the science actually stands.
Electrolytes: Beyond Sports Drinks
Electrolytes regulate heartbeat, nerve signals, and muscle function. Most people get too little potassium and magnesium. Here's when to supplement and how to avoid the sugar-laden sports drink trap.
Turkesterone: The Natural Muscle Builder Trending in 2025
Turkesterone supplements claim steroid-like muscle growth through a plant-derived ecdysteroid. The mechanism is plausible, but human evidence is thin, dosing is inadequate, and product quality is unreliable.
ZMA: Does This Sleep Supplement Actually Work?
ZMA's testosterone claims are unsupported by independent research. But the magnesium and zinc components have real evidence for sleep and recovery — if you're deficient.
Pre-Workout Supplements: What Works, What's Hype
Most pre-workout ingredients are underdosed hype. Here's a research-based breakdown of what actually improves performance: caffeine, creatine, beta-alanine, and citrulline.
Collagen Supplements: Skin Deep or Real Benefits?
Collagen supplements have surprising science behind them. A look at the clinical trials on skin elasticity, joint pain, and bone density — and where the evidence falls short.
Probiotics: What the Science Actually Says
The probiotic market exceeds $80 billion, but the science is strain-specific and often overhyped. Here's what actually works, what doesn't, and how to choose wisely.
Ashwagandha: Ancient Herb With Modern Science
Ashwagandha has over 100 clinical studies supporting its effects on cortisol, testosterone, sleep, and exercise performance. Here's what the research actually shows.
Magnesium: The Mineral Most Americans Are Deficient In
Over half of Americans are magnesium-deficient. This essential mineral affects sleep, anxiety, muscle function, heart health, and blood sugar — here's how to fix it.
Omega-3 Fatty Acids: Fish Oil, Flaxseed, and Beyond
95% of Americans are deficient in omega-3 fatty acids. Here's what EPA, DHA, and ALA do, the best food sources, and how to supplement effectively.
Vitamin D: The Sunshine Vitamin Most People Are Missing
42% of Americans are vitamin D deficient — a condition linked to weakened immunity, depression, and bone loss. Here's how to test and optimize your levels.
Creatine: The Most Research-Backed Supplement in Fitness
With over 500 studies behind it, creatine monohydrate is the most proven supplement in sports nutrition. Here's exactly what it does and how to use it.