Fermented foods are foods and beverages that have been transformed by beneficial microorganisms such as bacteria, yeasts or fungi. They contain valuable probiotics and offer other advantages. Learn what those are, what the best examples are of fermented foods, and then how to make yourself.

Rather than pick up a protein bar in the store full of ultra-processed ingredients, consider making your own protein bar, with a high-quality protein like collagen. Here are two ways to make a collagen protein bar that’s both balanced nutritionally and absolutely delicious.

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