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If the burning and tingling in your feet keeps you up at night, here's what no one explained. You've probably already tried B12, maybe twice, and watched it do nothing. That's not because B12 doesn't work. It's because after 50, your stomach can't absorb it from a pill. The acid drops, the vitamin passes straight through, and your blood level barely moves. And if you're on metformin, it depletes your B12 on top of that. So the deficiency builds, and the burning, tingling, and pins and needles get worse, even while everything else looks fine. That's why the pills did nothing. It was never the vitamin. It was the delivery. Olvexa fixes it at the source. Active methylcobalamin, taken under the tongue, absorbs straight into your bloodstream, past the stomach that's been the bottleneck for years. Third party tested, exact doses on every label: B12 5,000 mcg, B6 3,000 mcg, B1 2,400 mcg, plus Niacin and Folate. Most people notice a difference within about two weeks. Try it risk free for 90 days. If your feet don't change, 100% of your money back, no questions asked. 👉 See why the pills never reached the source