Hormones

TOPICS

VO2 Max and All-Cause Mortality: Your Target by Age

by: Dr. Andreas BoettcherPublished on: 10/09/2026

How do you improve VO2 max after 40? Here are the measured targets for every decade, the mortality data behind them, and the Norwegian 4x4 protocol.

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MOTS-c vs Exercise: Build Mitochondria Without Injections

by: Dr. Andreas BoettcherPublished on: 09/09/2026

MOTS-c is sold as a longevity peptide. Your own muscle makes 12x more of it after one hard interval session. Here is what the data actually shows.

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Medicine In The Right Order: TRT, Peptides And The Core Five

by: Dr. Andreas BoettcherPublished on: 06/09/2026

Not anti-TRT. Not anti-peptide. Pro-medicine in the right order. Why one in three men feel nothing on testosterone, and the Core Five that has to come first.

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Normal Thyroid Labs But Still Symptomatic | Dr. Andreas

by: Dr. Andreas BoettcherPublished on: 05/09/2026

A normal TSH means your pituitary is satisfied, not that the hormone reached your tissue. Four reasons medicated patients stay symptomatic, and what to test.

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