DHEA for libido: hormone help or hype?

DHEA stands for dehydroepiandrosterone. It is a hormone made mainly by your adrenal glands, which sit on top of your kidneys. On its own it does little, but your body converts it into testosterone and oestrogen in tissues all over the body, including the vagina, skin and brain.

Levels climb through your teens, peak in your twenties and then fall steadily. By your seventies you may have a fraction of what you had at twenty-five. That decline is why DHEA was once marketed as an anti-ageing miracle.

Some health problems lower DHEA much more sharply. Adrenal insufficiency, including Addison's disease, can leave levels very low at any age. Long-term steroid tablets can also suppress the adrenal glands. These are the groups where DHEA for libido has the strongest case, and where a specialist is usually involved.

In the UK, DHEA is a prescription-only medicine. In the US it is sold over the counter as a supplement, which is why you will see it all over the internet. That difference matters, because unregulated products vary wildly in what they actually contain.

Testing of supplements bought in the US has found products containing far less DHEA than the label claimed, and some containing much more. When you are dealing with a hormone, that kind of guesswork is a real problem. A prescription from a doctor means you know what dose you are actually taking.

In the 1990s, DHEA was hailed as the hormone that could turn back the clock. Headlines promised more energy, better skin, a sharper mind and a revived sex drive. Sales boomed, especially in the US.

The bigger, better trials that followed were disappointing. Older adults taking DHEA for a year or two did not become noticeably younger, fitter or sharper. Some small benefits showed up for bone density and skin, but nothing like the hype.

Sex is where the story gets more interesting, because DHEA feeds directly into the hormones that drive desire and arousal. That is where research has found the most useful, if still limited, results.

Some clinics still sell DHEA as part of anti-ageing packages, along with other hormones. Be wary of anyone who offers it without proper blood tests, a medical history and a clear plan for follow-up. Hormones are powerful, and a pill that changes testosterone and oestrogen is not something to experiment with casually. Buying DHEA for libido from an overseas website skips every one of those safety checks.

Sometimes. The clearest benefit came in women whose adrenal glands do not work, so their DHEA levels are extremely low. In a well-known trial, those women felt more desire, had more sexual thoughts and enjoyed sex more after taking DHEA for four months.

For healthy women going through or past menopause, the results are weaker. A Cochrane review found DHEA might slightly improve sexual function, but the change was small and probably not one most women would notice. Men show a similar mixed picture.

So DHEA for libido is not a general aphrodisiac. It works best when levels are genuinely low, and even then it is a modest helper. If you feel less horny than you used to, there are usually other, safer things to look at first.

Those include the pill, antidepressants, poor sleep, stress, relationship strain and menopause symptoms such as hot flushes and dryness. Fixing any of these often does more for desire than adding a hormone. If you are curious about DHEA for libido, raise it with your GP alongside these other possibilities rather than ordering it online.

This is where DHEA shines. Vaginal DHEA, called prasterone, is a small nightly pessary licensed in the UK for vaginal dryness after menopause. It works locally, turning into oestrogen and testosterone right in the vaginal tissue, while barely changing hormone levels in the blood.

In trials, women using it had thicker, healthier vaginal tissue, more natural wetness and much less pain during sex compared with placebo. For many women, that difference is what brings desire back, because sex stops hurting.

If penetration has become sore or you feel dry even when you are turned on, ask your GP about vaginal DHEA or local oestrogen. Use a good lube in the meantime and spend longer on foreplay, oral sex and clit play so your body has time to warm up.

Vaginal DHEA does not seem to carry the same risks as oral DHEA, because so little reaches your bloodstream. It still needs a prescription and is not recommended for women who have had breast cancer. Some women notice discharge from the pessary, which is harmless.

Most of the useful DHEA research is in women, which is unusual for a sex supplement. The benefits for women are clearest in three groups.

• Women with adrenal insufficiency and very low DHEA
• Menopausal women with vaginal dryness, using the vaginal form
• Possibly some women with low desire and low hormone levels

Oral DHEA in healthy younger women has not been shown to help, and it can cause unwanted male-pattern effects. The Endocrine Society advises against routine DHEA use in women. If you want to try it, it should be prescribed, dosed carefully and checked with blood tests.

The usual starting dose in trials of oral DHEA was 25 to 50 mg a day, but many women need much less to reach normal levels. Your doctor may start low and adjust based on blood results and how you feel. Benefits, if they come, usually take three to four months to show.

DHEA for men has been studied less. One small trial in men with erection problems and low DHEA found improvements in erectile function on 50 mg a day, but larger studies in healthy older men have mostly found little effect on sex drive or performance.

If your libido and erections have faded, low testosterone may be the cause, but so may heart disease, diabetes, stress or medication. A GP can check your testosterone properly. If it is low, there are better-studied treatments than DHEA.

Men with prostate problems should be especially cautious, because DHEA turns into hormones that can fuel prostate growth.

A useful rule for DHEA for men: treat the cause, not the symptom. Fixing low testosterone, controlling blood sugar, losing some weight and cutting back on drinking usually does far more for erections and desire than a hormone pill bought online. Sex therapy can also help if worry has taken over.

DHEA is a building block your body can turn into testosterone and oestrogen. In women, a big share of testosterone comes from DHEA. That is why taking it can noticeably raise testosterone in women, sometimes too much.

In men, most testosterone is made in the testicles, so DHEA has a smaller effect. Some of it is converted into oestrogen instead, which can cause breast tenderness or swelling. You cannot control which way your body sends it.

In women past menopause, DHEA may also raise oestrogen a little. That is part of why it is not recommended for anyone with a history of breast cancer, even though the vaginal form keeps blood levels low.

This is the key point about DHEA and testosterone: it is not a gentle herb. It is a hormone that changes other hormones, which is why it needs medical supervision.

Blood tests help your doctor keep things in range. They will usually check DHEA sulphate, testosterone and sometimes oestrogen before you start, and again after a few months. If levels climb too high, they lower the dose or stop it. That careful monitoring is the main thing separating safe treatment from a risky experiment.

Common DHEA side effects come from too much testosterone or oestrogen. In women that can mean oily skin, acne, unwanted facial or body hair and hair thinning on the scalp. A deeper voice is less common but may not reverse. In men, breast swelling and tenderness can occur.

Avoid DHEA completely if you have had or are at risk of breast, womb, ovarian or prostate cancer, as these can be hormone sensitive. Do not take it if you are pregnant or breastfeeding, and take care with liver disease, mood disorders, PCOS or high cholesterol.

• Never buy unregulated DHEA online
• Do not combine it with other hormones without medical advice
• Ask for blood tests before and during treatment

If you notice side effects, tell your doctor promptly. Many settle when the dose is lowered or the hormone is stopped, but some changes, such as a deeper voice or hair loss, can be slow to reverse or permanent. Do not wait and hope.

DHEA for libido is a niche medical tool, not a quick fix. For most people, the bigger wins are simpler: sleep, less stress, more exercise, less alcohol and talking honestly about what you want in bed.

Try a night with no goal. Undress slowly, kiss for longer than feels normal, and explore each other with hands and mouths before anyone goes near penetration. Add lube generously. When the pressure is off, desire often turns up on its own.

If you are in a long-term relationship, novelty can help too. Swap who leads, try a new position where she rides on top and controls the pace, or book a weekend away. And if low desire is causing tension, a sex therapist can help you both talk about it without blame. Desire is often about context, not chemistry.

So skip the online pills and start with what you can change. DHEA for libido may have a place, but only with a doctor who can test your levels, tailor the dose and watch for side effects. For everyone else, the best aphrodisiac is still time, attention and a partner who wants you back.