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Follow approved laboratory protocols
Cyanocobalamin injection
Hydroxocobalamin is preferred because it has a longer half-life and is retained in the body more effectively than cyanocobalamin (which is mainly available as oral supplements in the UK)
5.3 Hypervitaminosis A Hypervitaminosis A, manifested by nausea, vomiting, headache, dizziness, and blurred vision, has been reported in patients with renal failure receiving 1.5 mg per day retinol and in patients with liver disease
US$ 26.71
US$ 23.88
US$ 23.05
