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Description
Vitamin B12 may play a role in fertility by supporting proper hormone balance and reproductive health." Agyeman also says that vitamin B12 is involved in bone metabolism and mineralization, so having adequate levels of B12 is especially important for women as they are more prone to bone disorders like osteoporosis

(2000) Assessment of growth parameters and life span of GHR/BP gene-disrupted mice

Then, they do weekly injections for a month
This method can be particularly beneficial for individuals with absorption issues or those who may not be getting enough B12 through diet alone

Avoid repeated temperature fluctuations

(PMC) A separate metabolism-focused paper reviewing human trial history makes a similar point: early signals of weight loss were not consistently reproduced in later studies, particularly when intensive diet/exercise protocols were included
