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With proper storage at 28 C, protected from light, most peptides last 14 to 30 days
B12 is water-soluble and any excess is excreted in urine there is no established upper tolerable intake level for B12 and toxicity from injection at standard doses has not been reported
I bought some for my daughter, who said she was tired a lot lately and she says its helped her a lot, too
Gradually increase the dosage to the desired level to minimize potential side effects such as headaches or gastrointestinal discomfort
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