Ingredient Notes
Notes on single ingredients
One compound at a time, with the gap between test tube and human stated plainly.
Ingredient Note
Icariin: Why a Real Lab Finding Still Means Very Little
Icariin genuinely inhibits PDE5 in the laboratory — the same enzyme Viagra targets. Here is why that finding does not survive the trip into a capsule.
Safety Note
Herb-Drug Interactions: The Five Worth Knowing
Most supplement interaction warnings are boilerplate. These five are specific, documented and worth a two-minute conversation with a pharmacist.