Can Onions Increase Testosterone Levels?

August 15, 2018 / Blog
Can Onions Increase Testosterone Levels?

If you’re like us, you are probably look out for any way you can naturally increase your testosterone. Getting that little extra boost is key when you want to build your body. We’ve all heard tall-tales about sure-fire secrets to amping up our T-levels. One of the most prevalent concerns onions. Studies even say that onions can lead to a 300-percent testosterone level increase in rats. But do they work for humans? Here at, we give you everything you need to answer the question: can onions increase testosterone levels?

How Do Onions Boost Testosterone?

According to two studies, one from the Jordan University of Science and Technology and another from the Islamic Azad University of Iran, it is believed that the antioxidants found in raw onions neutralize free radicals in the testes of rats. This is the result of a decrease of malondialdehyde concentrations which occur when high dosages of raw onion juice were given to the test subjects.  Researchers believe that the antioxidants – probably selenium compounds – as well as phenols, such as quercetin and isorhamnetin, are responsible for increasing the level of Follicle Stimulating Hormone (FSH). This as previously noted, resulted in a 300-percent increase in testosterone levels in rats, as well as an increase in sperm concentrations, and faster, but less frequent copulation.

Should You Use Onions?onions and testosterone

With all that said, should you use raw onions to naturally boost your testosterone levels? Sure, if drinking raw onion juice is your thing, but if it’s not – probably no.

There are several great reasons why using raw onions to boost your testosterone levels isn’t the best idea. First, drinking raw onion juice is a pretty disgusting proposition. Even if you enjoy onions, drinking large quantities of onion juice is something completely different. Besides tasting foul, consuming such a concentrated amount of onion juice means your breath and sweat will smell terribly for days, if not weeks after you stop drinking it. Even the rats in the studies didn’t drink raw onion juice – rather, they had 200cc’s of it injected directly into their stomachs.

Second – and just as important – is the nature of the research available. While two scientific studies have been conducted, there are no randomized, controlled trials or studies on the effects of raw onion juice on humans. Not one. This means that while onions probably will have a boosting effect on human testosterone levels, it is not a certainty.

Other Natural Testosterone Boosters

If you are looking to naturally increase your testosterone levels through nutrition, there are many – much better – proven ways. There are a wide array of excellent (and much better tasting) foods which you can add to your diet. These include, but are not limited to:

  • Beans – especially black, kidney and white beans
  • Beef – particularly beef liver
  • Egg yolks
  • Tuna
  • Low-fat milk enriched with Vitamin D
  • Oysters
  • Shellfish

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