Conclusion: The use of dietary supplements is not common in China.
结论：我国成年居民中使用营养补充剂尚不普遍。
Probiotics have been around for a long time, mostly in the form of dietary supplements.
益生菌产品已经出现很长时间了，多数是以乳制品添加剂的形式出现的。
Probiotics have been around for a long time, mostly in the form of dietary supplements.
益生菌产品已经出现很长时间了，多数是以乳制品添加剂的形式出现的。
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