Ancient Nutrition 水解膠原蛋白胜肽粉，冷萃多種膠原蛋白，男女適用，40份，支持肌膚與指甲健康、腸道健康，17.5 盎司

I was skeptical about collagen powders tasting weird, but this one dissolves completely in my morning iced coffee with no chalky residue or bitter aftertaste. The 40 servings lasted me over a month, and I've noticed my nails feel noticeably stronger since I started it.

I was skeptical about a cold brew collagen, but this dissolves instantly in my iced coffee with zero grittiness. My nails have definitely gotten stronger after about three weeks of using it.

I’ve been adding this to my morning coffee and it dissolves almost instantly with no gritty residue—huge win for someone who’s picky about texture. The cold brew taste is mild enough that it doesn’t clash with my espresso, and 40 servings means it lasts a while.