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De Grandis D, Santoro L, Di Benedetto P

Caffeine is the worlds most widely used psychoactive substance, and over-consumption can cause diarrhea, twitching, racing heartbeat, and nervousness otherwise known as the caffeine jitters. Some say the caffeine content is dangerous, but its really just a bit more than a small cup of coffee

Priyali Singh, MDJun 9, 202613 min read Hormones & Metabolism RFK Jr., HHS, and the Peptide Policy Shift: How Political Change Is Reshaping Metabolic Medicine Access The RFK peptide policy 2026 shift is real

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Extended use isnt well-studied in humans, so most experts recommend cycling it, typically 48 weeks on, followed by a few weeks off, to support safety and effectiveness.

If youve been planning, or are already trying to conceive, it may be worth considering using Impryl to help optimize your preconception nutrition