Lactic acid is a natural preservative often found in foods like yogurt, baked goods, and pickled vegetables. Along with making your food last longer, it can boost your health by strengthening your ...

Bacteria, including some bacteria in a person’s gut, make lactic acid during fermentation. Manufacturers add lactic acid to food to extend its shelf life, although in some foods, it occurs naturally.

Made from the bacterial fermentation of sugar, lactic acid appears as an additive in vegan foods ranging from sourdough bread to soy sauce. This bacteria gives food its signature sour taste and acts ...

Lactic acid is an over-the-counter chemical exfoliant that comes from the fermentation of lactose — a carbohydrate found in milk. It's a popular ingredient in numerous skin care products nowadays. But ...

You may have heard that salicylic acid and glycolic acids are great exfoliating acids. Turns out, there is another skincare acid that can be added to the exfoliator list, too. Lactic acid. “Lactic ...

You may have muscle shaking or cramping, signs of temporary lactic acid build-up during intense exercise. Signs of lactic acidosis include nausea, vomiting, and shortness of breath. Staying hydrated ...

When I first heard about using lactic acid for skin, I had a moment of confusion—isn't that what builds up in your muscles during a workout and causes soreness later? Turns out: more or less, yes! I ...