The current NICE guidance on B12 and folate deficiency sets this out clearly
Li YF, Ouyang SH, Tu LF, Wang X, Yuan WL, Wang GE, Wu YP, Duan WJ, Yu HM, Fang ZZ, Kurihara H, Zhang Y, He RR
A:We take product safety and quality very seriously
Your physician designs a personalised protocol, typically a 4 to 12 week loading cycle followed by a defined rest period
widely used for vaginal and systemic candidiasis Itraconazole, Voriconazole more potent, often reserved for severe or refractory cases Nystatin non-absorbed antifungal used for fungal overgrowth in the GI lumen These are prescription drugs and should be used under physician supervision