Key Takeaways Longevity Supplement Basics Common Supplement Types Longevity supplements are usually sold with big promises and small print. The common list includes These products are often promoted from cell studies, animal studies and short human trials. A 2025 review on NAD precursors found rising interest in human aging, but it also found open questions … Read more
Key Takeaways Nootropics Basics Common Claims Nootropics is a loose label for substances people use to try to improve focus alertness memory or mental energy. The same label gets used for coffee tea nicotine herbs nutrients and prescription drugs. People often expect a clean brain upgrade that helps every task, but most research tests narrow … Read more
Key Takeaways 5 HTP Basics 5 HTP is short for 5 hydroxytryptophan. Your body makes it from tryptophan, which is an amino acid found in food. It sits on the path toward serotonin, a chemical involved in mood, sleep, appetite and pain signaling. Supplement makers sell 5 HTP as a direct way to raise serotonin, … Read more