Designs for Health Vitamin B Supreme – B Complex Vitamins for Metabolism, Energy Support + Heart Health – Folate, Vitamin B12, Niacin, Biotin, Vitamin B6 + Thiamine B1 Supplement (60 Vegan Capsules)

Customers find this vitamin B complex supplement to be of high quality, with one noting it's the best on the market, and they appreciate its health benefits, with one reporting improved thyroid function. The supplement provides energy without afternoon letdowns, and customers find it easy to swallow and digest. While some customers say it doesn't upset their stomach, others report nausea, and opinions on value are mixed, with some finding it a great value while others consider it expensive. The product receives mixed feedback about its smell, with several customers describing it as horrible.