After several posts in Chemical Pathology at the Royal Melbourne Hospital and the Royal Womens Hospital, he was appointed Head of Chemical Pathology at the Royal Melbourne in 1996
Vitamin B12 for hair, skin, and nails If you have a very low level of B12, you may be prone to hyperpigmentation (dark spots) on your skin, vitiligo (light patches on your skin), mouth ulcers, eczema, and acne
A 1,000-microgram tablet would be expected to result in a 10 to 20-microgram dose
Laboratories using the compound in time-course or dose-response work should prepare fresh aliquots where possible, recording reconstitution date and storage temperature alongside each experimental block
This uncertainty does not mean the compound is ineffective or dangerous
96 Safety B12 is considered safe even at high doses, and no adverse effects have been associated with excess B12 in healthy individuals