Start with one comprehensive baseline, then retest every six months. Six months is long enough for a change in training, nutrition or a prescribed plan to show up in the numbers, and short enough to catch drift before it becomes a problem. If you are on a hormone or weight plan, your clinician may draw specific markers sooner while a dose settles.
Why once a year is not enough after 35
An annual physical is built to screen for disease, and a year is a long time for hormones, blood sugar and iron to move without anyone looking. After 35 the markers that shape energy, weight and drive start drifting, and a single yearly draw of a limited panel misses most of that.
Start with a comprehensive baseline
Every future result is read against the first one, so the first panel matters most and should be the widest: sex hormones, thyroid, metabolic markers, lipids, liver and kidney function, a complete blood count and iron studies. A narrow baseline leaves you comparing later results to nothing.
What changes the rhythm
- Starting or adjusting a plan. Testosterone, estradiol and metabolic markers may be checked sooner while a dose is being set.
- A result that was off. A single low ferritin or high hemoglobin A1c earns an earlier recheck.
- Stable numbers over several draws, which can justify spacing some markers out.
Why the trend is the point
One draw is a snapshot and can be thrown by a bad night's sleep or an illness. Two draws six months apart show direction. Three show a pattern. That is what lets a clinician say a plan is working, or catch a marker sliding while it is still easy to fix.
How Regener8 approaches it
The baseline is 50+ markers across 9 categories, drawn at LabCorp and reviewed with a board certified clinician on a 30 minute video visit. Retesting is every six months, and each new panel is read against your own previous numbers rather than a population range.
Last updated
May 13, 2026
