Testosterone Suspension vs Testosterone Base

Mar 12, 2024

athletespharmacy

Reading Time: 1 min

What is testosterone?

Testosterone is the primary male sex hormone. It affects sex-drive, muscle mass, amount of fat stored and more. Testosterone injections may be used in steroid cycles or in TRT.

Testosterone base vs suspension

Testosterone suspension is water based.

Testosterone base is oil based however it can also be water-based (depends on the formulation)and this allows for faster absorption & potency.

Testosterones Half life

Water based testosterone require frequent injections due to shorter half life.

Oil based testosterone use oil as a carrier which slows down the release of testosterone into the bloodstream.

Table comparison: testosterone compounds vs amount of active testosterone

Compound	Dosing	Active Testosterone
Testosterone Base	100mg	100mg per 100mg
Testosterone Suspension	100mg	100mg per 100mg
Testosterone Propionate	100mg	83.72mg per 100mg
Testosterone Cypionate	100mg	69.90mg per 100mg

Articles

June 9, 2025 athletespharmacy

Does Primobolan Require Post Cycle Therapy?

Developed in the 1960s, Primobolan is commonly administered via intramuscular injection and has a relatively long half-life, allowing for less frequent dosing compared to other AAS.

June 1, 2026 athletespharmacy

3 Gym Workouts for Beginners: Hit the Gym Today

Starting your fitness journey can feel overwhelming, but with the right plan and mindset, you'll discover that hitting the gym is not just about lifting weights—it’s about creating lifelong habits that support health and happiness.