Men's sexual health, explained by the evidence
The science of better sex
Frank, research-backed guides to erections, stamina, semen volume, testosterone and fertility. No shame, no hype, every claim sourced.
Research-backed guides
Peer-reviewed sources
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Semen volume
Testosterone after 40
Tadalafil
ED
Sperm count
Libido
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What do you want to improve?
Performance
Better erections, endurance and confidence.
Volume
Understand semen volume and ejaculation health.
Testosterone
Energy, libido and hormonal health.
Fertility
Sperm health and reproductive wellness.
Pleasure
Better sex for you and your partner.
Relationships
Communication, intimacy and connection.
PERFORMANCE
Better performance starts outside the bedroom.
Sleep, cardiovascular health, hormones, stress and fitness all influence sexual performance.
Sleep
Heart health
Hormones
Stress
Fitness
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Sex
Performance
Hormones
Fertility
Supplements
Relationships
Health
THE SCIENCE
Skip the bro science.
We look at the research behind the claims so you can separate useful advice from internet mythology.
Explore the scienceDoes ejaculating every day lower semen volume?
Volume dips with frequent ejaculation and recovers after a few days.
Does zinc increase semen volume?
Zinc supports normal reproductive function but mainly helps men who are deficient.
Does cardio really help erections?
Regular aerobic exercise is linked to better erectile function.
TESTOSTERONE
What testosterone actually does for your sex life.
How testosterone changes after 40
Does testosterone affect sex drive?
When should you get tested?
ASK LOAD BOOSTING
Questions guys actually ask.
Sensitive questions, plain answers. Tap one to open it, or bring us your own.
Is it normal for semen volume to change?
Yes. Volume shifts with how recently you last ejaculated, hydration, sleep and age. Day-to-day swings are normal; a sudden, lasting change is worth mentioning to a doctor.
Does edging increase semen volume?
How much does testosterone affect libido?
How long should sex actually last?
Supplement ingredients
The ingredients research keeps coming back to.
Zinc
Studied for: Normal fertility and the maintenance of normal testosterone levels.
Mineral
Vitamin D
Studied for: Hormone health, muscle function and men who run low.
Vitamin
CoQ10
Studied for: Sperm quality and motility.
Antioxidant
Ashwagandha
Studied for: Stress, sleep, testosterone and sperm measures.
Herbal
RELATIONSHIPS
The best sex advice is rarely about sex.
Communication, intimacy and the conversations that make everything else easier.
Explore Relationships
THE WEEKLY EMAIL
Better sex starts with better information.
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Read our editorial standardsWritten by editors
Every article is written or edited by our editorial team, never by the brands behind the products we cover.
Checked against the research
Every health claim is checked against published studies and major clinical guidelines before we publish.
Sources you can check
Studies and guidelines are cited at the foot of each article, with the date we last checked them.