Drug–Supplement Interactions

Coffee and levothyroxine wait time, explained: coffee can cut absorption by up to ~30 percent, so wait 30-60 minutes after your dose before a cup.

Calcium and levothyroxine: how long to wait? Separate them by at least 4 hours so calcium does not block your thyroid medication. Here is why and how.

Omeprazole vitamin B12 deficiency explained: how acid suppression cuts B12 absorption, who is at risk, the test to get, and a safe insurance dose.

Does omeprazole deplete magnesium? Yes, long-term use can. Here is the FDA warning, the real risk numbers, and how to fix it safely with your doctor.

If you're taking a prescription medication and wondering whether it's safe to add an adaptogen, the honest answer is: it depends on the specific drug class, the specific adaptogen, and whether your prescriber knows about it — and most do not, unless you tell them. This article organizes what the clinical literature and two leading

If you're comparing adaptogens and SSRIs because you're wondering whether an herb might work instead of a prescription, the honest answer is: for most people with a clinical diagnosis of depression or generalized anxiety disorder, no — adaptogens are not interchangeable with SSRIs, and trying to substitute them without a prescriber's involvement carries real risk.

Grapefruit and blood thinners: how grapefruit may raise Eliquis and Xarelto levels and shift warfarin INR, plus exactly what to do and when to call.

Grapefruit and statins: avoid it with simvastatin and atorvastatin, but rosuvastatin, pravastatin and fluvastatin are fine. What the data actually shows.

Grapefruit drug interactions explained: which medicines to avoid, why the CYP3A4 effect lasts up to 72 hours, and why spacing doses out does not work.

Peptides and Medications: Drug Interactions to Know Before Starting If you take any prescription medication and are starting a peptide, the honest answer is: most peptide-drug interactions are predictable, document-able from FDA prescribing information, and worth bringing to your prescriber before your first dose. The interactions covered in this article are not theoretical — they