I just visited a Costco in Japan—the variety of foods was 'incredible': 6 things I wish they sold in the American stores

There are over 900 Costco locations worldwide. On a recent trip to Japan, longevity expert and nutritionist Michiko Tomioka visited a warehouse in Kyoto. From a variety of seaweed and tofu to ready-to-eat meals, here's what she wishes they sold in the American stores.

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