The All-Time Fittest Foods

With trendy products like collagen peptides, spirulina and oat milk now lining grocery store shelves, it can be hard to cut through the noise and figure out which foods are actually best for you. Sometimes, you just want something simple, classic and effective.

Look no further. These 11 one-ingredient foods have stood the test of time and are great for maintaining your fitness. Better yet, they're super affordable and can be found at any local store or supermarket.

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