Evidence-Based Supplement & Herb Guides

Testicular Lump: What It Could Be and What Happens Next

Learn what a testicular lump could mean, when it needs urgent care, how doctors check it, and what ultrasound, treatment, and follow-up may involve.

A testicular lump can feel alarming, especially when it appears suddenly or you find it by chance in the shower. Some lumps are harmless...

Testicular Pain: Common Causes and When It’s an Emergency

Testicular pain can come from torsion, infection, injury, hernia, kidney stones, varicocele, or cancer. Learn the warning signs that need emergency care.

Testicular pain can feel sharp, dull, heavy, burning, or achy, and the cause is not always in the testicle itself. Sometimes it comes from...

Testicular Torsion: Symptoms and When to Go to the ER

Learn the symptoms of testicular torsion, how it differs from epididymitis and other causes of testicle pain, and when sudden scrotal pain needs ER care.

Testicular torsion is one of the few causes of testicle pain where waiting can cost a man a testicle. It happens when the testicle...

Testosterone Boosters: Ingredients, Claims, Risks, and What to Avoid

Learn what testosterone boosters can and cannot do, which ingredients have evidence, the biggest safety risks, and when testing or medical care matters.

Testosterone boosters are sold as a quick answer for low energy, low libido, weaker workouts, belly fat, and aging. Some products contain simple vitamins...

Testosterone Levels by Age: What’s Normal and What’s Not

Learn how testosterone levels change by age, what low, borderline, and high results mean, when to test, and when symptoms deserve medical evaluation.

Testosterone changes across life, but a lower number is not automatically a medical problem. A man in his 60s will often have a lower...

Testosterone Replacement Therapy: Benefits, Risks, and Monitoring

Learn who testosterone replacement therapy is for, what benefits to expect, common TRT risks, fertility and prostate concerns, and what monitoring is needed for safer treatment.

Testosterone replacement therapy, often called TRT, is prescription treatment for men whose bodies do not make enough testosterone because of a medical cause. It...

Tight Pelvic Floor in Men: Urinary, Sexual, and Pain Symptoms

Tight pelvic floor in men can cause urinary urgency, weak stream, painful ejaculation, ED, and pelvic pain. Learn symptoms, triggers, treatment, and when to get checked.

A tight pelvic floor can make normal body functions feel difficult, uncomfortable, or unpredictable. Men may notice urinary urgency, trouble starting to pee, a...

Tongkat Ali for Testosterone: Benefits, Evidence, Side Effects, and Safe Use

Tongkat ali may modestly support testosterone in some men, but results vary. Learn the evidence, dosage, side effects, safety concerns, and when to test hormones.

Tongkat ali is often sold as a natural testosterone booster, but the real story is more limited and more useful. It may modestly improve...

Topical Finasteride: What Men Should Know About Benefits and Risks

Topical finasteride may help men slow hair loss with less systemic exposure than oral finasteride, but risks remain. Learn benefits, side effects, safety issues, and when to talk to a doctor.

Topical finasteride is used on the scalp to treat male pattern hair loss. It is meant to lower dihydrotestosterone, or DHT, around hair follicles...

Trichomoniasis in Men: Symptoms, Testing, Treatment, and Partner Care

Learn how trichomoniasis affects men, including silent infection, penile symptoms, testing options, treatment, partner care, sex after treatment, and when to follow up.

Trichomoniasis is a sexually transmitted infection caused by a tiny parasite called Trichomonas vaginalis. Many men who have it feel completely fine, which is...

Trouble Starting to Pee: Prostate, Nerves, or Medication Causes

Trouble starting to pee can come from BPH, nerve problems, tight pelvic floor muscles, medications, infection, or retention. Learn warning signs and next steps.

Trouble starting to pee often means the bladder is ready, but urine is not moving easily through the outlet. Some men stand at the...

TRT and Blood Pressure: What Men Need to Monitor

Learn how TRT can affect blood pressure, hematocrit, sleep apnea, and heart risk, plus what numbers men should monitor before and during treatment.

Testosterone replacement therapy can help men with confirmed low testosterone feel better, but it is not a “set it and forget it” treatment. Blood...

TRT and Fertility: Why It Can Lower Sperm Count and What to Do Instead

Learn how TRT can lower sperm count, why testosterone can suppress fertility, how long recovery may take, and which fertility-preserving options men can discuss with a specialist.

Testosterone replacement therapy can improve symptoms for some men with confirmed low testosterone, but it can also sharply reduce sperm production. The reason is...

TRT and Prostate Health: PSA, BPH Symptoms, and Cancer Screening Questions

Learn how TRT relates to PSA changes, BPH urinary symptoms, prostate cancer screening, rising PSA follow-up, and safe monitoring before and after treatment.

Testosterone replacement therapy can improve symptoms of confirmed low testosterone, but it also raises common prostate questions. Many men worry that TRT will “feed”...

TRT and Sleep Apnea: Why Breathing Problems Matter Before Treatment

Learn how TRT and sleep apnea affect each other, why untreated breathing problems can raise treatment risk, and what men should check before starting testosterone therapy.

Testosterone replacement therapy can help men with confirmed low testosterone, but breathing problems during sleep need attention before treatment starts. Obstructive sleep apnea causes...

TRT Injections vs Gels: Differences, Pros, Cons, and Monitoring

Compare TRT injections vs testosterone gels, including dosing, pros and cons, transfer risk, side effects, fertility concerns, and the labs men need to monitor.

Testosterone replacement therapy can be given in several ways, but injections and gels are two of the most common choices. Both can raise low...

TRT Side Effects: Fertility, Hematocrit, Acne, Mood, and Hair Loss

Learn the main TRT side effects in men, including fertility suppression, high hematocrit, acne, mood changes, sleep apnea concerns, hair loss, and monitoring steps.

Testosterone replacement therapy can help men with confirmed low testosterone, but it also changes several systems that need monitoring. Some side effects are mild,...

TURP Surgery for BPH: What to Expect, Recovery, and Risks

Learn what TURP surgery for BPH involves, how recovery usually progresses, what benefits to expect, and which risks and alternatives to discuss with a urologist.

TURP surgery is a common operation for urinary problems caused by benign prostatic hyperplasia, or BPH. In BPH, the prostate grows larger and squeezes...

Type 2 Diabetes in Men: Early Symptoms, Sexual Health Links, and Prevention

Type 2 diabetes in men can cause subtle symptoms, erectile dysfunction, urinary changes, fatigue, and nerve problems. Learn the key tests, risks, and prevention steps.

Type 2 diabetes can build quietly for years before a man feels sick. Blood sugar may rise slowly while energy, weight, erections, urination, sleep,...

Ureaplasma in Men: When It Matters, Testing, and Treatment Questions

Clear answers on Ureaplasma in men, including when a positive test matters, when treatment may be needed, partner questions, fertility concerns, and common testing mistakes.

Ureaplasma can be confusing because a positive test does not always mean an infection that needs treatment. These tiny bacteria can live in the...