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Sterile water for injection contains no preservative and is intended for single-use onlyany remaining solution must be discarded after the vial is opened and accessed
Although there is currently no evidence to suggest any adverse side effects from excess vitamin B12 supplementation, there is no need to take excessively high amounts of the vitamin, as the body can only absorb so much anyway
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It is longer-lasting, more stable and more effective than synthetic alternatives
If a research vial is still clear at day 20, you are making an educated judgment based on general protein behavior
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