Surprisingly, human sweat is odorless.

Sweat only gains an odor after it is broken down by bacteria in your armpits. These bacteria convert your sweat into acidic waste products that give sweat its odor .

Baking soda can eliminate the smell of sweat by making the odors less acidic. Try patting baking soda onto your armpits and you may notice the difference .

6. May Improve Exercise Performance

Baking soda, also known as sodium bicarbonate, is a popular supplement among athletes.

Some studies show that baking soda can help you perform at your peak for longer, especially during anaerobic exercises like high-intensity training and sprinting .

During high-intensity exercise, your muscle cells start producing lactic acid, which is responsible for the burning feeling you get during exercise. Lactic acid also lowers the pH inside your cells, which may cause your muscles to tire.

Baking soda has a high pH, which may help delay fatigue, allowing you to exercise at your peak for longer .

For example, one study found that people who took baking soda exercised for an average of 4.5 minutes longer than people who didn’t take baking soda .

7. Relieve Itchy Skin and Sunburns

A baking soda bath is often recommended to soothe itchy skin. These baths are especially effective at soothing itches from bug bites and bee stings .

Additionally, baking soda may help soothe itching from sunburns. It seems more effective when combined with other ingredients like cornstarch and oatmeal .

To make a baking soda bath, add 1–2 cups of baking soda to a lukewarm bath. Make sure the affected area is soaked thoroughly.

For more specific areas, you can create a paste with baking soda and a bit of water. Apply a thick layer of paste to the affected area .

8. May Treat Calluses

Calluses are hard, rough patches of skin that are caused by longtime friction or pressure. Activities that typically cause calluses are frequent walking, gardening or sports.

While calluses aren’t necessarily serious, they can cause pain and discomfort when applying pressure.

Interestingly, studies have found that soaking calluses in a baking soda bath may help soften them, remove any scales and reduce discomfort .

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