ナショナルジオグラフィックのインスタグラム(natgeo) - 11月2日 00時00分

Vitamin C is essential to powering your immune system which is why people load up on the nutrient during cold and flu season. But is it worth it—and can you overdo it? Find out at the link in bio.

Photograph by @beckythale

[BIHAKUEN]UVシールド(UVShield)

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