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5 Benefits of onions sexually + Best time to eat them

Onion’s reputation as an aphrodisiac stems from its ability to boost testosterone levels as noted in an animal study. The question is, can eating raw onions improve sexual performance in men? Studies suggest, that consuming onions may enhance sexual performance thanks to their testosterone-boosting potential [1].

Onions benefits sexually

Is Onions a Spicy Testosterone Booster?

According to another supporting animal study, rats that were fed fresh onion juice had their testosterone increased [2]. Also, it was found by a study that raw onion juice was able to reduce permethrin-induced damage to the Leydig cells and enhance the synthesis of testosterone [3].

Onions’ ability to increase testosterone levels may also add a bonus to libido, potency, and even energy levels [4, 5], which are all needed for functional sexual health.

Also, the benefits of onions are not only for men but it extends for women, yes onions support blood flow to female reproductive organs when encouraging their responsiveness during intimacy.

If you are also wondering if onion is good for erectile dysfunction, consuming raw onion may support blood but it’s not a cure for erectile dysfunction. Here are some aphrodisiac fruits that may support erectile function in men. Also, check 8 ways to cure erectile dysfunction.

Today’s article goes beyond the benefits of onion raw sexually, we shall find out facts about the best time to eat onions.

Onions, those humble bulbs lurking in most pantries, offer more than just pungent aroma. Packed with sulfur-rich compounds and antioxidants, they hold potential health benefits like reduced inflammation, lower blood pressure, and improved blood sugar control.

Onions Bioactive compounds

Onions, nature’s humble teardrop, are more than just culinary champions. Within their pungent layers lies a treasure trove of unique phytochemicals, potent molecules packed with health-promoting superpowers. Let’s take a peek at some of the key players:

  • Quercetin and its glucosides: These antioxidant powerhouses shield your cells from harmful free radicals, like tiny knights with antioxidant swords.
  • Kaempferol: This flavonoid joins the antioxidant battle, boosting your body’s defenses against inflammation and chronic diseases.
  • Thiosulfinates: These pungent compounds give onions their characteristic bite and are responsible for some of their health benefits, like fighting bacteria and fungi.
  • Cepaenes: These sulfur-containing molecules possess anti-cancer properties, making them potential warriors against rogue cells.
  • Anthocyanins: These vibrant pigments not only add color to onions but also offer anti-inflammatory and heart-protective benefits.
  • Sulfur compounds: Don’t let the smell fool you; these volatile molecules, like S-methyl cysteine sulfoxide and diallyl trisulfide, pack a punch against diabetes, cancer, and even Alzheimer’s disease.

This remarkable lineup of bioactive compounds makes onions much more than just a flavorful addition to your meals. They’re a true health powerhouse, offering a diverse defense against various health threats. So, next time you reach for an onion, remember – you’re not just adding flavor, you’re adding a potent dose of natural health warriors to your plate!

5 Scientific evidence supporting the benefits of onion sexually

1. Boost luteinizing hormone (LH) production

Several studies indicate that onions enhance testosterone production, possibly by elevating the luteinizing hormone

For example, Studies involving both healthy and aluminum-treated male rats have conclusively demonstrated that onions significantly elevate luteinizing hormone (LH) levels [6, 7]. This observed increase in LH may play a key role in onion’s ability to boost testosterone production.

2. Enhancing antioxidant defenses

Antioxidants in our body can protect us from oxidative stress which can impact our sex life negatively particularly, it may reduce testosterone synthesis [8].

However, Onions are rich in antioxidants [9] particularly allicin and quercetin, and consuming them may increase this antioxidant that can protect our cells from damage caused by oxidative stress [10, 11].

Also, according to studies, onions boosted antioxidant activity in Leydig cells of both healthy and aluminum-treated rats, suggesting this might boost testosterone production [12]. They also reduced lipid peroxidation (a marker of oxidative damage) in both groups [13]. However, while an onion extract protected against cadmium-induced oxidative stress, it didn’t restore testosterone levels affected by cadmium [14].

3. Promotes nitric oxide production

According to a study vegetables like garlic, leeks, and onions have been found to encourage the release of nitric oxide which plays a key role in erection function [15]. Nitric oxide also acts as a vasodilator that encourages blood flow to the male organ to strengthen the erectile muscle.

Nitric oxide may also play a role in testosterone production, according to a study low levels of testosterone may equally be linked will inadequate blood flow to the testis [16, 17].

Therefore, the nitric oxide-releasing properties of onions could be a contributing factor to their better sexual performance in males.

4. Energy Booster

Yes, consuming raw onion may increase our energy level, Studies show that quercetin which is found in onions can help activate 5′ AMP-activated protein kinase an important factor for energy homeostasis at the cellular level [18, 19].

Sexual activities require a great deal of energy and this protein kinase not only influences testosterone production [20] but also promotes glucose metabolism for energy release.

5. Testosterone Booster

Intriguing evidence emanating from studies suggests that onions, the humble kitchen staple, might hold the key to boosting testosterone in men. Research indicates that both onions themselves and their extracts, like aqueous extract at around 30 mg daily, might offer a natural testosterone boost. However, further proof through clinical trials in humans is still needed to solidify this claim.

Does Onions Have Aphrodisiac Potential?

The historical belief of onions as aphrodisiacs likely originates from their pungent smell and association with virility, but again, no scientific studies support this claim.

Although research suggests onions may improve male sexual health, the link to a heightened “sexual experience” remains unsubstantiated. Additionally, the impact on female reproductive hormones is unexplored best time to eat onion
The myth about eating at night as the best time can only be supported by the fact that it contains Sulfoxides which support sleep.

However, Onions can be enjoyed at any time, and as for the best time to eat onions, there’s no scientific basis for suggesting any specific time. However, here are some considerations, eating onions right before bed may be uncomfortable due to potential bloating or indigestion.

Disadvantages of eating raw onion

  • It encourages bad breath: The strong odor of raw onions can linger, potentially impacting people around us and making them uncomfortable.
  • Digestive Comfort: Onions can trigger heartburn or bloating in some. Start small and adjust your intake accordingly.
  • May interact with blood thinning drug: If you take blood thinners, consult your doctor about potential interactions with onions’ sulfur compounds.

How to prevent Onion bad breath

No need to shy away from onions due to their potent fragrance. Here are some tips:

  • Chill them: Pre-chopping and refrigerating onions reduces the sulfuric compounds responsible for the telltale odor.
  • Embrace water: Chew parsley or fennel seeds, or simply swish with water after indulging in onions.
  • Stainless steel to the rescue: Rubbing your hands with a stainless steel object after handling onions can neutralize the odor.

So, ditch the myths and embrace the versatile onion. Enjoy its flavor, explore its health potential, and don’t worry about the clock when it comes to adding a little punch to your diet.


Packed with antioxidants like flavonoids and sulfur compounds, onions combat oxidative stress and inflammation, two foes of your sexual health. Chronic inflammation and oxidative stress can disrupt blood flow, hormone production, and tissue function, all crucial for a satisfying sex life. So, while onions won’t magically turn you into a Casanova, their anti-inflammatory power acts like a silent guardian, potentially setting the stage for a healthier sexual experience.

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