The Vitality ReviewPeer-Reviewed Men's Health Research

Ask the research

What does the science
actually say about male vitality?

Ask a question in plain English. We answer with what the peer-reviewed studies show, summarized and appraised, every source cited.

Most asked this week

Does heat lower testosterone?15 studies →Can you raise testosterone naturally?23 studies →What actually improves sperm quality?40 studies →Does sauna help or hurt fertility?15 studies →How does sleep affect hormones?7 studies →What lowers cardiovascular risk in men?15 studies →
138Studies indexed
89Topics
94Human trials
29Countries

Start where your interest is

Three ways into the same library. Follow the path that fits your question, and let the volume of evidence guide you.

Explore by topic

The numbers show how much peer-reviewed evidence sits behind each topic.

Better Fertility62studiesMuscle & Strength35studiesDiet & Nutrition30studiesHigher Testosterone28studiesSupplements27studiesWeight Loss26studiesHeart Health20studiesInflammation20studiesHeat & Temperature15studiesLongevity10studiesBetter Sleep10studiesMore Energy6studies