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Zone 4/5 intervals (high-intensity intervals at 85% to 95% max heart rate) directly increase VO2 max
youre joining a support system designed to help you succeed for the long term
If your B12 levels are low, we will recommend a tailored treatment plan, which may include B12 injections to restore optimal levels
This is a small optimization, but experienced users report noticeably better absorption compared to either dehydrated or immediately-post-drinking administration
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