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Comparison

Testosterone Spray Rx vs. needles

keen.
versus

Looking for hormone therapy without the weekly injection? Considering a switch to a topical spray?

If the syringes, the sharps container, and the injection schedule have worn thin, a metered transdermal spray may be a better fit for your routine.

Spray vs. needles: what are the differences?

Delivery
Testosterone Spray RxTopical transdermal spray, powered by Hypospray®. Applied to the skin, absorbed through it.
InjectionsIntramuscular injection deep into the gluteal muscle (Depo-Testosterone), or subcutaneous into the abdomen (Xyosted).[1][2]
Dosing schedule
Testosterone Spray RxOnce daily, same time each day. Metered actuations set by your protocol.
InjectionsEvery two to four weeks (Depo-Testosterone) or weekly (Xyosted), by label.[1][2]
Dose size
Testosterone Spray RxA small metered dose, repeated every day.
InjectionsA larger dose, spaced further apart.[1][2]
Comfort
Testosterone Spray RxNothing pierces the skin.
InjectionsA needle at every dose; injection-site soreness is common.
Where it is given
Testosterone Spray RxAt home, in about ten seconds.
InjectionsAt home or in clinic — and Aveed only in a healthcare setting, with 30 minutes of observation after every injection.[3]
Supplies and disposal
Testosterone Spray RxOne metered spray bottle. No sharps container, no disposal runs.
InjectionsVials, syringes, needles, prep pads, and regulated sharps disposal.
Restricted programme
Testosterone Spray RxNone.
InjectionsAveed is dispensed only through a restricted REMS programme requiring prescriber certification.[3]
What you pay
Testosterone Spray Rx$229/mo membership — labs, clinician visits, and medication included.
InjectionsBilled in pieces: visits, labs, pharmacy, supplies, and disposal.

Representative of common self-injection protocols; supplies, frequency, and billing vary by prescription, provider, and plan. Product details are taken from FDA labelling. Keen Testosterone Spray Rx is a compounded medication prepared by a US 503A compounding pharmacy; compounded medications are not FDA-approved. The products named here are FDA-approved. Not medical advice — a licensed clinician determines whether a spray protocol is right for you.

About Testosterone Spray Rx

Testosterone Spray Rx therapies deliver compounded hormone medication through the skin using Hypospray®, a licensed topical transdermal technology. Each actuation is a metered dose, applied to a small area of clean, dry skin.

A membership covers the full loop: lab panels, licensed clinician consultations in the app, compounded medication shipped to your door, and dose adjustments made from your results.

The men’s bottle holds 14 mL and delivers 0.20 mL per spray — a 35-day supply. Your prescriber sets the per-spray strength. Pharmacokinetics for the transdermal spray platform have been published in the peer-reviewed literature.[P]

About injectable therapy

Injectable hormone therapy has been the standard route for decades — intramuscular or subcutaneous dosing on a schedule set by the ester and the protocol.

It is effective and well studied. The trade-offs are practical: needles at every dose, supplies to stock and dispose of, and larger doses spaced further apart.

Depo-Testosterone is labelled for intramuscular use only, injected deep into the gluteal muscle at 50–400 mg every two to four weeks.[1] Xyosted is a subcutaneous autoinjector for the abdomen only, starting at 75 mg weekly.[2] Aveed is available only through a restricted REMS programme: prescribers must be certified, and every injection is followed by 30 minutes of observation in the healthcare setting because of the risk of pulmonary oil microembolism and anaphylaxis.[3]

See why a daily metered dose is the simpler routine

One flat membership covers labs, clinicians, and medication — no per-item billing.

See pricing →

Why people move off the needle

Injection protocols are well established and work well for many patients. These are the three reasons people most often give for wanting something else.

ONE

Ten seconds, not twenty minutes

No drawing up, no site prep, no cleanup. A metered dose on clean, dry skin, dry in a few minutes.

TWO

A small dose, every day

Each application is a small metered dose, applied as part of a morning routine, rather than a larger dose given every few weeks. Your prescriber sets the per-spray strength and can change it at the next application.

THREE

Nothing sharp to manage

No syringes, no sharps container, no disposal runs — and nothing to explain at airport security.

Keen membership

Ready to trade the needle for ten seconds a morning?

or $199/mo when you pay $599 up front for three months. No insurance needed.

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What each option offers

  • One metered spray bottle, applied in about ten seconds
  • A small metered dose, applied once daily
  • No needles, sharps container, or disposal
  • Labs, clinician access, and medication in one membership
  • 14 mL bottle, 0.20 mL per spray — a 35-day supply, with per-spray strength set by your prescriber
  • Established route with decades of clinical use
  • Fewer dosing events per month
  • Familiar to clinicians and pharmacies
  • Requires supplies, preparation, and sharps disposal
  • Labelled schedules range from weekly (Xyosted, subcutaneous) to every two to four weeks (Depo-Testosterone, intramuscular)[1][2]

What each one includes

One published membership price on our side. On the other, a bill assembled from parts.

Keen membership

$229/mo

or $199/mo when you pay $599 up front for three months. No insurance needed.

Included, no separate bill

  • Initial and follow-up lab panels
  • Licensed clinician consultations in the app
  • Compounded medication, shipped to your door
  • Dose adjustments from your lab results
  • Ongoing support, whenever you need it

Typical injection protocol

Varies

Billed separately

  • Office visits and follow-upsper visit
  • Lab panelsper draw
  • Medication and pharmacy feesper refill
  • Syringes, needles, prep padsper box
  • Sharps container and disposalper container
  • Travel and waiting-room timeper dose cycle

Care and support

With Keen

Licensed clinicians answer in the app — no phone tree, no separate visit fee. Lab panels, protocol changes, and refills all run through the same thread.

Injections

Support depends on the provider and the plan — office visits, pharmacy calls, and lab coordination are usually handled separately from each other.

Frequently asked questions

Is the spray inhaled or nasal?

No. Hypospray® is a topical transdermal technology — the spray is applied to your skin and absorbed through it. Nothing is inhaled.

Will my levels stay steady during the switch?

Your clinician plans the transition around your current protocol and confirms your response with follow-up lab work before finalizing your spray dose.

How precise is a spray compared with drawing a dose?

Each actuation delivers a metered dose. Your protocol specifies the exact number of sprays, and your clinician adjusts that number based on your lab results.

Are injections a worse choice?

No. Injection protocols are well established and work well for many patients, and the Endocrine Society guideline sets no ranking between formulations — it directs the choice to patient preference, pharmacokinetics, treatment burden, and cost.[7] This page is about what changes in your routine and your bill if you switch.

What does membership cost?

$229/mo, or $199/mo when you pay $599 up front for three months. No insurance needed. Labs, clinician visits, and medication are included.

Spray or injections: which is right for you?

Neither route is right for everyone. A licensed clinician decides based on your labs, your history, and how you want to live with your protocol.

Consider the spray if

  • You want a needle-free daily routine
  • You would rather not stock and dispose of sharps
  • You want one predictable membership price
  • You travel often and want a discreet option

Injections may still suit you if

  • You prefer fewer dosing events per month
  • Your current protocol is working well
  • Your clinician recommends staying on it
  • The Endocrine Society guideline sets no ranking between formulations — choice rests on your preference, the pharmacokinetics, the treatment burden, and cost[7]

Ninety years of delivery methods, and the one constraint behind all of them →

No needles. No gels. No patches.

One membership. Complete hormone care. Delivered.

Get startedSchedule consultation

or $199/mo when you pay $599 up front for three months. No insurance needed.

Hypospray® is a registered trademark. Keen Meds Inc. utilizes the Hypospray® topical transdermal delivery platform under license.

Keen Testosterone Spray Rx is a compounded medication prepared by a US 503A compounding pharmacy; compounded medications are not FDA-approved. Products named on this page are FDA-approved and their details are taken from their FDA labelling. This is a comparison of how each medication is administered — not a claim of clinical superiority, equivalence, or comparative effectiveness. Not medical advice; a licensed clinician determines what is appropriate for you.

References8
  1. DEPO-TESTOSTERONE (testosterone cypionate injection) prescribing information. FDA NDA 085635.Drugs@FDA NDA 085635
  2. XYOSTED (testosterone enanthate) injection, for subcutaneous use — prescribing information. FDA NDA 209863.Drugs@FDA NDA 209863
  3. AVEED (testosterone undecanoate) injection — prescribing information and AVEED REMS Program. FDA NDA 022219.Drugs@FDA NDA 022219
  4. Schürmeyer T, Nieschlag E. Comparative pharmacokinetics of testosterone enanthate and testosterone cyclohexanecarboxylate. Int J Androl. 1984;7(3):181–187. PMID 6434435PMID 6434435
  5. Dobs AS, Meikle AW, Arver S, et al. Pharmacokinetics, efficacy, and safety of a permeation-enhanced testosterone transdermal system in comparison with bi-weekly injections of testosterone enanthate. J Clin Endocrinol Metab. 1999;84(10):3469–3478. PMID 10522982PMID 10522982
  6. Choi EJ, Xu P, El-Khatib FM, et al. Comparison of outcomes for hypogonadal men treated with intramuscular testosterone cypionate versus subcutaneous testosterone enanthate. J Urol. 2022;207(3):677–683. PMID 34694927PMID 34694927
  7. Bhasin S, Brito JP, Cunningham GR, et al. Testosterone Therapy in Men With Hypogonadism: An Endocrine Society Clinical Practice Guideline. J Clin Endocrinol Metab. 2018;103(5):1715–1744. PMID 29562364PMID 29562364

[P] Chik Z, Johnston A, Tucker AT, Chew SL, Michaels L, Alam CAS. Pharmacokinetics of a new testosterone transdermal delivery system, TDS®-testosterone, in healthy males. Br J Clin Pharmacol. 2006;61(3):275–279. doi:10.1111/j.1365-2125.2005.02542.x PMID 16487220PMID 16487220doi:10.1111/j.1365-2125.2005.02542.x