See the evidence behind your stack.
Every longevity site grades what to add. EBL grades what you are already taking. Enter your current supplements and each one receives an evidence grade reflecting the strength of the published human trials, alongside redundancies, potential conflicts, and gaps in the literature.
If you take prescription medications, run the medication check first. Documented depletions A fall in a nutrient's level caused by a medication, for example through reduced absorption or increased loss. change what the evidence shows.
Educational only · Not medical advice
Nothing on this page is a recommendation. EBL does not tell you what to take, what to stop, or what to avoid, and no output of this tool should be read as advice to start, stop, or change any supplement, medication, or course of treatment. A grade describes the strength of a body of published human evidence and nothing more; a high grade is not an instruction to use something, and a low grade is not an instruction to avoid it. This tool does not know your medical history, diagnoses, laboratory values, allergies, or other medications, and it cannot account for them. Only a licensed clinician who has evaluated you can make decisions about your regimen. Any change is a decision for your physician or pharmacist, and nothing here is a basis for stopping a prescribed medication. See our Terms and editorial position.
✓ Graded on human trials
Every grade comes from randomized human trials. Animal studies and anecdotes never set a letter.
✓ Grades are not for sale
EBL takes no commission on any supplement. Where a device or test company pays, that is disclosed beside the grade, and the company has no say over it.
✓ Traceable to the source
Every grade links to the published trials behind it, by PubMed number.
0 supplements entered
Minimum 3 supplements to audit
Medications change your supplement priorities. Statins deplete CoQ10. Metformin depletes B12. PPIs deplete magnesium. Enter any current medications to factor depletions into your audit.
The biomarkers A measurable sign in the body, such as a blood test value, used to track a condition or the effect of a treatment. worth testing before your next doctor visit.
See the longevity lab panel →For clinicians: See how patients use EBL to prepare for deprescribing Reducing or stopping a medication under a prescriber's supervision. and shared decisions.
View EBL Clinical →