
What to track first if you actually want to optimize healthspan
The short list of signals that move the needle — and the ones safe to ignore for now.
AG1 is a popular daily greens powder positioned as an all-in-one foundational nutrition and wellness habit.
People who want a convenient daily powder as part of a broad wellness and nutrition routine.
These are editorial signals, not endorsements. Always pair with qualified medical guidance.
A short due-diligence list to apply before paying, booking, subscribing, or building a routine around any longevity tool, test, or program.
What exactly will this measure, track, or improve — and over what time horizon?
Is there medical or clinician oversight, and how qualified are the people behind it?
How should I interpret the data, and what does a meaningful change actually look like?
What will I do differently with the results? If the answer is unclear, the signal isn't useful yet.
Is the claim evidence-led or marketing-led? Where is the underlying research?
What is the true cost after the first purchase, test, or subscription — including renewals?
Does this replace medical advice? It should not. Where does professional care still belong?
How does this compare to simpler, lower-cost, or higher-evidence alternatives?
Centrum offers multivitamins and micronutrient formulas, with Centrum Silver connected to COSMOS cognitive aging research.
Life Extension offers a broad catalog of supplements, lab testing, and longevity-oriented wellness products.
Designs for Health offers practitioner-focused supplements and nutrition products across metabolic health, gut health, hormones, cognition, and foundational wellness.
Elysium Health offers supplements and biological age testing positioned around cellular health, NAD+, metabolic aging, and aging research.
Momentous offers performance nutrition and supplements across protein, creatine, sleep, recovery, and cognitive support.
Greens powders can be convenient but should not be treated as equivalent to a balanced diet or as proven longevity intervention. Review ingredients and medical fit.

The short list of signals that move the needle — and the ones safe to ignore for now.

A direct comparison of recovery, strain, sleep, and fitness signal — without the influencer noise.

ApoB, ferritin, hormones, inflammation — the markers worth knowing, and how to read them.