Bioavailable Testosterone

Advanced wellness

also

What it isThe sum of free testosterone plus testosterone loosely bound to albumin, which dissociates readily and is available to tissues.

DoesRepresents the most accurate measure of testosterone that can actually act on receptors.

GoodA high bioavailable testosterone signals strong tissue-level androgen action.

BadLow bioavailable testosterone drives hypogonadal symptoms — fatigue, low libido, muscle loss — even if total testosterone reads normal.

Standard
Lab-specific.
Optimal
Upper third of reference range (higher is good within range)
Modifiers
SHBG and albumin levels drive variation.

How to optimize

Lifestyle
Resistance training, sleep, weight loss.
Diet
Adequate protein, healthy fats; zinc, magnesium, vitamin D.
Supplements
Same as free testosterone.
Peptides
Kisspeptin-10, gonadorelin.
Drugs
Testosterone replacement, hCG, clomiphene.