Medical Disclaimer — Scope of This Site

Content published on longevity.how is informational and educational. This is not medical advice. Discuss drugs, doses and treatment decisions with a doctor or pharmacist.

We do not diagnose, we do not advise stopping medication, and we do not describe ways to obtain prescription drugs.

If you have a chronic condition, are pregnant or breastfeeding, or take medication, treat every protocol and every supplement on this site as a starting point for a conversation with your doctor — not as an instruction to follow on your own.

What this means in practice

Articles describe what studies found and state an evidence level for every claim. They are not tailored to your situation, because we do not know your medical history, your results, or the medication you take.

The protocols in the protocols section are instructions built on population research. A population is not you. If you fall into any of the groups listed above, treat them as material for a conversation with your doctor.

Drug interactions

Supplements interact with medication more often than packaging suggests. St John’s wort reduces the effectiveness of oral contraceptives and anticoagulants. Calcium and iron impair levothyroxine absorption. Glycine may reduce the effect of clozapine.

Specific interactions for individual compounds are listed in the supplements guide and in the articles on single substances, such as glycine for sleep.

When to see a doctor rather than read on

Chest pain, shortness of breath, fainting, sudden weight loss, blood in stool or urine, breathing pauses during sleep reported by a partner. These are not situations for looking up a protocol.