Testosterone replacement comes in several forms — injections, transdermal gels and patches, implanted pellets, oral capsules, a nasal gel, and a buccal tablet. All aim to bring testosterone into a healthy mid-range; the right one depends on cost, convenience, how steady you want your levels, transfer concerns, and how you feel about needles. Injections, especially subcutaneous ones, have become a popular default for steady levels at low cost with at-home dosing.
There is no single "best" way to take testosterone. Half a dozen forms are well established, and each is a trade-off between how steady your levels stay, what it costs, how often you have to think about it, and how you feel about needles. Knowing the real advantages and drawbacks of each shortens the conversation with your clinician and makes the choice easier to live with.
Every form below does the same job. It delivers testosterone so your blood level lands in a healthy range and stays there. What differs is the delivery, and that's what you'll actually feel day to day. None of these is a shortcut. Each still belongs inside real care, with a baseline blood test that confirms low testosterone and follow-up labs that keep the dose right.
Injections: the common default
Injectable testosterone is the most widely used form, and for good reason. Long-acting esters (testosterone cypionate and enanthate) are given into the muscle (intramuscular) or just under the skin (subcutaneous), typically weekly or twice-weekly to keep levels steady. There's also a very-long-acting form, testosterone undecanoate, given in a clinic roughly every ten weeks under a monitored safety program.
- Advantages: highly effective, inexpensive, flexible on dose and timing, and, once you're trained, easy to self-administer at home.
- Trade-offs: it's a needle, spacing doses too far apart can produce peaks and troughs that some men feel as swings in mood and energy, and the injection site can get sore or irritated.
- Who it suits: men who don't mind self-injecting and want the most control over their levels for the least money.
The peaks-and-troughs problem is mostly solvable. Splitting the same weekly amount into smaller, more frequent doses keeps levels flatter and smooths the swings. That's one reason many men and clinicians now prefer a small twice-weekly injection over a single larger one. Whether to go intramuscular or subcutaneous is its own decision, and we break it down in our guide to testosterone injections, IM vs. subcutaneous.
Transdermal: gels and patches
If you'd rather skip needles entirely, testosterone also comes as a daily gel you rub onto the skin or a daily patch you wear. Both absorb through the skin and, applied consistently, hold testosterone at a steady daily level.
- Gels: needle-free and steady, but absorption varies from man to man, the skin can get irritated, and they demand a daily routine you can't skip. They also carry a transfer risk worth taking seriously (see below).
- Patches: also needle-free and steady, with the main drawback being frequent skin irritation at the patch site.
Testosterone gels and solutions can transfer to other people through skin contact — and in women or children, that exposure can cause unwanted effects like body-hair growth or early puberty. This is an FDA-warned risk. If you use a gel, cover the treated area with clothing once it dries and wash your hands right after applying, and keep the area away from a partner's or child's skin. If accidental contact happens, wash the area with soap and water.
Pellets, capsules, and other forms
Beyond injections and transdermals, a few less-common forms suit specific preferences:
- Pellets: small rods implanted under the skin during a quick in-office procedure, usually every three to six months. They're the closest thing to "set and forget," and levels stay very steady. The trade-offs are real. It's a minor procedure, the dose can't be adjusted once the pellets are in, and a pellet can occasionally work its way out or the site can get infected.
- Oral capsules: a newer testosterone undecanoate capsule taken with food, usually once or twice a day. Needle-free and convenient, but more expensive, it has to be taken with food to absorb, and it means multiple daily doses. (Note: the old oral testosterone, methyltestosterone, is avoided today because it could be toxic to the liver. Modern oral capsules are a different drug.)
- Nasal gel: applied inside the nostrils several times a day. It's needle-free and may suppress fertility less than other routes, which can matter for men who want to preserve it. The downsides are the multiple daily doses and possible nasal irritation.
- Buccal tablet: a small tablet that sticks to the gum and releases testosterone, used twice daily. Its main drawback is gum irritation.
How to choose the right form
Because every form lands testosterone in the same healthy mid-range, the choice comes down to how it fits your life rather than how well it works. What usually decides it:
- Cost. Injections are usually the least expensive, with capsules and pellets at the high end.
- How steady you want your levels. Pellets, gels, and small frequent injections stay flat, while a single large injection swings more.
- Needle tolerance. Gels, patches, capsules, the nasal gel, and the buccal tablet are all needle-free.
- Transfer concerns. Gels are riskier if you're in close contact with a partner or young children.
- Fertility goals. Worth raising up front, since some routes affect sperm production differently.
- Convenience. A daily routine, a weekly injection, or a procedure every few months.
There's no universally right answer, but a pattern has emerged. Small, frequent subcutaneous injections have become a popular default because they hold steady levels at low cost with simple at-home dosing. A man who travels constantly, hates needles, or shares a home with small children might land somewhere completely different. Switching forms later is normal too. Plenty of men start on one route and change once they see how it fits. The form that works is the one you'll actually use, chosen with a clinician who's tracking your blood work.