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Rotating the injection site each time helps prevent soreness or irritation by allowing each injection site to heal before you use it again (10)
Injections offer superior bioavailability compared to oral supplements, as they bypass the digestive system and deliver B12 directly into the bloodstream to fuel your body
Presented for research literature review only Mateescu DM et al
But don't be misled
The fix most experienced users adopt: 3050g fast-acting carbs consumed 15 minutes before training, with another 2030g intra-workout
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