Testosterone guides
The numbers behind your testosterone result
Charts online disagree. Labs print different ranges. A single afternoon test can read low for reasons that have nothing to do with you. These guides lay out what the guidelines and studies actually say, so you walk into the conversation with your clinician knowing what to ask.
Written By
Muscle Velocity Research Team
Men's Health & Longevity Specialists
The numbers layer
Read your result before anyone reads it for you
What normal means, how to get a number worth trusting, and why total and free testosterone can disagree. Each guide opens with the answer and names the studies behind it.
normal testosterone levels by age
Every chart online looks certain. Put them side by side and they disagree. Here is who draws which line, and why.
Read the guidehow to test testosterone
Testosterone moves with the clock and the breakfast plate. Get the timing right before you trust the number.
Read the guidefree vs total testosterone
Your total looks normal. You still feel off. The protein that carries testosterone may be part of the answer.
Read the guideKnow your numbers. Read them with a clinician.
Get the morning test and read it with your clinician. If you also want a daily NAD+ protocol for cellular energy, see what is in ours.

Daily cellular protocol
NAD+
500mg of NAD+ supported by Quercetin and Resveratrol, dosed once daily for cellular energy and metabolic health.
View NAD+Related Intelligence
Where the testosterone numbers connect to the rest of the protocol.
