Nausea or Upset Stomach: Some people may experience gastrointestinal discomfort, such as nausea, vomiting, or diarrhea, although these side effects are rare
Some might (probably would*) be carcinogenic or outright poisonous
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In these cases, tiaminal B12 injection is a good way to get enough B12 without going through the digestive system
Current Pharmaceutical Design , 2020 Estimated Half-Life Ranges (Based on Available Data) Its important to note that therapeutic effects often continue after the peptide is cleared , especially in the case of ongoing tissue repair, collagen synthesis, and vascular remodeling