21st Century Vitamins and Supplements - For Adults, Women

Vitamin B-12 1000 mcg

Vitamin B-12 1000 mcg - Main image
$5.62 $7.49 In stock

Category: 維生素B

維生素B-12(氰鈷胺)存在於魚類、肉類、家禽、雞蛋和乳製品等食物來源中。

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Customer Reviews (4.8 / 5 · 5 reviews)

Nicholas Q. ★★★★★

I've been taking these with breakfast and noticed my energy levels feel steadier through the afternoon. The 1000 mcg dose is just right for me, and the tablets don't leave a weird aftertaste like some others do.

Natalie W. ★★★★★

The tablets are small and easy to swallow, which is a big plus for me. I've noticed a steady improvement in my energy levels since starting this supplement. Really happy with how well it works.

Avery G. ★★★★★

Been taking this B-12 with breakfast for a few weeks now, and the 1000 mcg dosage gives me steady energy without the jitters. It's helped me stay focused through long workdays.