Keen Men's · Available now
Keen Testosterone Spray Rx
Keen Testosterone Spray Rx is a compounded testosterone topical spray. Two metered sprays each morning, applied to the inner forearm or upper arm.
Prescription only, and prescribed by a US-licensed physician after lab work. Compounded by a US 503A compounding pharmacy and powered by Hypospray® transdermal delivery. Dose is set by your prescriber.

Technical Specifications
- Active ingredient
- Testosterone, Micronized USP
- Dosage form
- Topical transdermal spray
- Route
- Topical — inner forearm or upper arm
- Per-spray volume
- 0.20 mL metered
- Regimen
- Two sprays each morning
- Supply
- 30-day supply
- Base solution
- HypoSpray DS needle-free transdermal base
- Storage
- Room temperature, 68–77°F (20–25°C). Upright, tightly capped, out of direct sunlight and out of reach of children.
- Availability
- Prescription only — 30 states
- Shipping
- FedEx and UPS, 2-day nationwide
Strengths
Four strengths of the same product; your prescriber selects one from your lab work. The tier name is the amount in one spray — your daily dose is two sprays, so it is double that figure. Both are printed in your Rx instructions.
| Label strength | Per spray | Sprays / day | Daily dose | Concentration |
|---|---|---|---|---|
| 10 mg | 10 mg | 2, morning | 20 mg/day | 50 mg/mL |
| 15 mg | 15 mg | 2, morning | 30 mg/day | 75 mg/mL |
| 20 mg | 20 mg | 2, morning | 40 mg/day | 100 mg/mL |
| 25 mg | 25 mg | 2, morning | 50 mg/day | 125 mg/mL |
Compounded preparation dispensed under a licensed prescriber and pharmacy. Not an FDA-approved drug product and not interchangeable with FDA-approved products. All dosing decisions are made by the prescribing provider.