Zhu B, Wu J, Chen G, et al
Rarely reported symptoms associated with excessive B12 intake may include: Skin reactions : Acne-like eruptions or rosacea-type dermatitis have been occasionally reported, particularly with high-dose intramuscular injections Gastrointestinal disturbance : Mild nausea, diarrhoea, or abdominal discomfort, though these are uncommon Headache : Infrequent reports of headaches following parenteral B12 administration Hypersensitivity reactions : In very rare cases, allergic reactions to injectable B12 preparations have been documented It is crucial to note that there is no established link between standard B12 supplementation and serious adverse effects
See our B12 page for more detail
Depending on the type of cheese, different metabolites may be produced in the finished product as a result of the metabolic processes that take place in the cheese
Peptides and growth factors are monitored by the World Anti-Doping Agency (WADA), and competitive athletes risk sanctions