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Medical supply distributors often sell it without prescription requirements
An unverified vial is an unverified experiment
For researchers who are not seeing expected results, storage evaluation should be the first troubleshooting step, before considering dose changes, switching medications , or adding supplementary compounds like B12 formulations or niacinamide combinations
H., Zhu, X
Vitamin B2, like vitamin B1, can lead to anaphylactic sensitivity
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