In short

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Beginners Glossary

Every technical term used in the app, defined in plain language.

ApoB
A protein on cholesterol particles that predicts heart disease risk better than standard cholesterol tests.
BPC-157
A peptide studied for healing tendons and tissue. Early research, mostly animal studies so far.
Corpus cavernosum
The two spongy chambers in the penis that fill with blood to create an erection.
DHT
Dihydrotestosterone, a strong form of testosterone involved in body hair, prostate, and some hair loss.
Drop set
A training technique where you do a set to near failure, then immediately reduce the weight and keep going.
Evidence rating
A label on each method showing how strong the research behind it is: high, medium, low, or cultural.
HbA1c
A blood test showing your average blood sugar over the last 2–3 months; used to check for diabetes risk.
Jelqing
A manual exercise using a rhythmic milking motion, claimed to improve blood flow and size over time.
Kegel
An exercise that strengthens the pelvic floor muscles, which support erection strength and control.
Macro
Short for macronutrient — protein, carbohydrate, and fat. "Counting macros" means tracking these.
Niacinamide
A form of vitamin B3 used in skincare to reduce redness, oil, and the look of pores.
Nitric oxide
A molecule that widens blood vessels, improving blood flow. Boosted by compounds like L-citrulline.
Peptide
A short chain of amino acids that can signal the body to heal, recover, or release hormones.
PRP
Platelet-rich plasma: your own blood is spun down to concentrate healing platelets, then re-injected.
PSA
Prostate-specific antigen, a blood marker used to screen for prostate issues.
Retinoid
A vitamin A compound (like tretinoin) that speeds skin cell turnover; the best-studied anti-ageing skincare ingredient.
Superset
Two exercises done back-to-back with no rest between them, then a rest before the next pair.
Testosterone
The main male sex hormone, driving muscle, libido, energy, and many health markers.
Traction
Gently stretching tissue over time with a device, which can remodel it (used in extenders and bone repair).
Tunica albuginea
The tough sheath surrounding the corpus cavernosum; its elasticity affects how much expansion is possible.
Zone 2 cardio
Steady, low-intensity exercise that builds aerobic fitness and endurance without exhausting you.

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