Evidence-Based Supplement & Herb Guides

Free Testosterone vs Total Testosterone: Which Matters More?

Learn the difference between free testosterone and total testosterone, when each test matters, why SHBG changes results, and how to interpret low or borderline testosterone labs safely.

Total testosterone is usually the first number doctors look at, but it does not always tell the whole story. Free testosterone shows how much...

Frenulum Breve: Short Frenulum Symptoms and Treatment Options

Frenulum breve causes pain, tearing, bleeding, and tight foreskin movement. Learn symptoms, causes, stretching options, frenuloplasty, frenulectomy, circumcision, and recovery.

Frenulum breve means the small band of tissue under the head of the penis is too short or tight. This band, called the frenulum,...

Frenulum Tear: What to Do and When to Seek Care

Learn what to do for a frenulum tear, how long healing usually takes, what causes repeated tearing, and when bleeding, swelling, infection signs, or penile injury needs medical care.

A frenulum tear is a small rip in the thin band of tissue on the underside of the penis, where the foreskin or shaft...

Frequent Urination at Night: Nocturia Causes and Fixes in Men

Frequent urination at night in men is not always prostate-related. Learn common nocturia causes, symptom patterns, home fixes, treatment options, and when to get checked.

Waking once to pee after a late drink is common. Waking two, three, or more times most nights is different. That pattern, called nocturia,...

Genital Bumps in Men: Ingrown Hair, Folliculitis, Cysts, or STI?

Learn how to tell common genital bumps in men apart, including ingrown hairs, folliculitis, cysts, herpes, genital warts, molluscum, and syphilis, plus when to test and when to see a doctor.

A new bump on the penis, scrotum, pubic area, or inner thigh can be stressful because several causes look similar at first. Some are...

Genital Herpes vs Pimples: How to Tell the Difference

Learn how to tell genital herpes from pimples, ingrown hairs, and folliculitis, including key symptoms, testing options, warning signs, and what to do next.

A bump on the penis, scrotum, pubic area, or inner thigh can be stressful because genital herpes and ordinary pimples can look similar at...

Genital Numbness and Tingling in Men: Common Triggers and When to Get Checked

Learn common causes of genital numbness and tingling in men, including cycling pressure, pelvic floor tension, STIs, diabetes, nerve irritation, and urgent red flags.

Genital numbness or tingling can feel alarming, especially when it affects the penis, scrotum, perineum, groin, or inner thighs. Sometimes the cause is simple...

Genital Odor in Men: Common Causes and How to Fix It

Learn the common causes of genital odor in men, from sweat and smegma to yeast, jock itch, balanitis, urine dribbling, and STIs, plus practical ways to fix it.

Genital odor in men is usually caused by sweat, trapped moisture, smegma, urine drips, friction, or a mild skin irritation. A light musky smell...

Genital Rash in Men: Common Causes and When to Get Checked

Learn the common causes of genital rash in men, how to spot STI warning signs, what home care is safe, and when to get checked or tested.

A genital rash can be alarming because the same area can react to friction, sweat, soap, shaving, fungal overgrowth, inflammation, or a sexually transmitted...

Genital Skin Discoloration: Dark Spots, Redness, and When It’s Concerning

Learn what dark spots, redness, white patches, and other genital skin color changes can mean in men, including irritation, STIs, balanitis, lichen sclerosus, and warning signs that need medical care.

Genital skin color is not the same for every man, and it is not always even across the penis, scrotum, groin, or inner thighs....

Genital Warts: HPV Symptoms, Treatment, and Prevention

Learn what genital warts look like, how HPV spreads, when men should get checked, and which treatments, prevention steps, condoms, and vaccines reduce recurrence and risk.

Genital warts are small growths caused by certain types of human papillomavirus, usually HPV types 6 and 11. They often appear on the penis,...

GLP-1 Medications and Male Fertility: Sperm Quality, Weight Loss, and Hormones

Learn how GLP-1 medications may affect male fertility, sperm quality, testosterone, and weight loss, plus what men should test and monitor when trying to conceive.

GLP-1 medications are now common for weight loss and type 2 diabetes, so it is reasonable for men to ask what they mean for...

GLP-1 Medications and Men’s Health: Weight Loss, Testosterone, Fertility, and Side Effects

GLP-1 medications can affect weight, testosterone, fertility, erections, digestion, and metabolic health in men. Learn what improves, what to monitor, and when side effects need medical advice.

GLP-1 medications have changed the way many men approach weight loss, type 2 diabetes, and long-term metabolic health. The benefits are not limited to...

Gonorrhea Symptoms in Men: Signs, Testing, and Treatment

Learn the key gonorrhea symptoms in men, how testing works, what treatment involves, when to seek urgent care, and how to prevent reinfection.

Gonorrhea in men often shows up as burning when urinating, unusual discharge from the penis, or irritation after sex, but it does not always...

Gynecomastia: Causes, Hormone Tests, and Treatment Options

Learn what causes gynecomastia, which hormone tests matter, when breast imaging is needed, and how observation, medication, and surgery compare for male breast enlargement.

Gynecomastia is the growth of firm breast gland tissue in men. It is not the same as chest fat, and it is not automatically...

Hair Transplant for Men: Cost Factors, Recovery, Results, and Risks

Learn what men should know before a hair transplant, including cost factors, FUE vs FUT, recovery timeline, realistic results, side effects, risks, and how to choose a clinic.

A hair transplant can restore a stronger hairline, fill thinning areas, and make male pattern hair loss look less obvious. It is not a...

Hard Flaccid Syndrome: Symptoms, Causes, and What Helps?

Hard flaccid syndrome can cause penile firmness, pelvic pain, numbness, erection changes, and urinary symptoms. Learn what fits, what needs urgent care, and what treatment options may help.

Hard flaccid syndrome is a distressing pattern where the penis feels unusually firm while flaccid, often with pelvic tightness, pain, numbness, erection changes, urinary...

hCG for Men: Fertility Support, Testosterone, and Safety

Learn how hCG works in men, when it helps fertility or testosterone, how it compares with TRT and clomiphene, what testing matters, and what safety risks to monitor.

Human chorionic gonadotropin, usually called hCG, is best known as a pregnancy hormone, but doctors also use it in men for specific hormone and...

Heart Attack Symptoms in Men: Chest Pain, Shortness of Breath, and Silent Signs

Learn the key heart attack symptoms in men, including chest pressure, shortness of breath, arm or jaw pain, cold sweats, nausea, and silent warning signs men often miss.

A heart attack does not always look like a movie scene. Some men feel crushing chest pressure and know something is wrong. Others feel...

Heart Disease in Men: Early Warning Signs, Risk Factors, and Prevention

Learn the early warning signs of heart disease in men, key risk factors, urgent symptoms, heart health numbers to track, and practical prevention steps.

Heart disease in men often builds quietly for years before it causes a crisis. High blood pressure, cholesterol changes, smoking, diabetes, belly fat, poor...