can you take b12 tablets as well as injections Vitamin vs tablets: which is better for you? What You Need to Know

B12 helps metabolise the amino acids needed to produce keratin and other structural proteins, supporting the creation of strong, healthy hair strands

Aside from vitamin K, which has a low potential for toxicity, the remaining three fat-soluble vitamins have a set UL due to their potential to cause harm at high doses

Key Considerations: The neurotoxic effects of high-dose Vitamin B12 on the optic nerve

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Route: The injection is typically given intramuscularly (IM) into a large muscle, such as the thigh or buttock, or subcutaneously (SC) into the subcutaneous tissue