Nature's Bounty Vitamin B-12 1,000 mcg vs Thorne Zinc Picolinate 15 mg

Choose Nature's Bounty if…

• Adults over 50 and others at higher risk of low B12
• People who eat few or no animal foods
• Budget shoppers
• You care most about efficacy, value

Choose Thorne if…

• People with low zinc intake, including those eating mostly plant foods
• Athletes and label-conscious buyers who want NSF-certified products
• Anyone who wants single-nutrient zinc at a modest dose
• You care most about quality & purity, transparency

Vitamin B-12 1,000 mcg

• About $0.05 per day
• 1,000 mcg dose compensates for limited absorption of oral B12
• Small, coated tablets that are easy to swallow
• Non-GMO, gluten-free and suitable for vegetarians
• No USP or NSF certification
• Brand site shows an outdated %DV and the Amazon listing has copy errors
• Far more B12 than people with normal levels need

Zinc Picolinate 15 mg

• 15 mg dose close to the RDA and well under the 40 mg upper limit
• Minimal excipients; gluten-, dairy- and soy-free
• Listed in NSF's certification database; Amazon listing says NSF Contents Certified
• Small 18 mm capsules
• No copper included for long-term use
• Picolinate's absorption advantage is a brand claim NIH does not confirm
• About $0.25 per day, pricier than drugstore zinc
• Two capsules a day plus diet can approach the upper limit