Body odor is a natural part of life, but what you eat can make a big difference in how you smell. Certain foods release compounds that interact with your skin, breath, and sweat, sometimes in ways you might not expect.
Here’s a look at the ingredients that may be affecting your scent, especially in warm weather. Plus, find out what you can eat to help neutralize unwanted odors and feel fresher every day.
1. Fish can affect more than your breath
According to Cleveland Clinic, seafood, especially oily fish, can influence how your body smells.
In rare cases, a condition called trimethylaminuria causes the body to release a strong fishy odor after digesting foods high in choline. These include fish, soy, beans, and broccoli.
2. Cruciferous vegetables may cause strong body odor
Vegetables like broccoli, cauliflower, cabbage and brussels sprouts are full of nutrients, but they also contain sulfur compounds.
These are released during digestion and can result in an unpleasant smell through sweat, breath, or gas.
3. Spices can change how you smell
Foods with strong spices such as curry, cumin, and garlic can cause lingering odors says National Center for Complementary and Integrative Health.
These spices are absorbed into the bloodstream and later released through the sweat glands, often creating a strong scent that intensifies in warmer weather.
4. Red meat can alter your body chemistry
Eating large amounts of red meat may cause your sweat to release odorless proteins. When these proteins mix with skin bacteria, they can create stronger and more noticeable body odor.
5. Onions and garlic stay with you
Onions and garlic contain compounds that affect more than just your breath. They are metabolized into sulfur-containing chemicals that are released through your pores. The resulting odor can stick around for several hours.
6. Alcohol can make you smell sour
Your body breaks alcohol down into acetic acid. What it cannot process is released through your breath and sweat says NIH.
This can lead to a sour or stale body odor, especially after heavy drinking or dehydration.
7. Coffee can increase sweating
Coffee activates the nervous system and stimulates the sweat glands. When combined with milk or sugar, it may also contribute to bad breath and body odor.
8. Asparagus may affect your urine
Some people notice a strong smell in their urine after eating asparagus. This is due to a compound called asparagusic acid, which breaks down into sulfur-like substances that leave the body through urine.
9. Sugary and processed foods can feed odor-causing bacteria
Foods high in sugar or processed carbohydrates can disrupt gut health. They feed bacteria that can contribute to both bad breath and body odor. Maintaining a balanced diet can help reduce this effect says Harvard.
10. Low-carb diets may cause unusual smells
Low-carbohydrate diets, such as keto, shift the body into a state called ketosis. This causes the release of ketones like acetone, which can create a fruity or chemical-like smell in your breath and sweat says Mayo Clinic.
11. Some foods help improve your scent
A diet rich in fresh fruits, vegetables, and hydrating fluids can help balance your body’s natural scent. Apples, leafy greens, yogurt, and green tea support healthy gut bacteria and may reduce odor-causing compounds.
12. In summer, light meals can make a big difference
In hot weather, the foods you eat can intensify body odor. Reducing sulfur-rich and spicy foods while staying hydrated and eating more fresh produce can help keep your body smelling clean and fresh.