This makes it difficult to absorb dietary B12, even with adequate intake
For many, the main hurdle is the potential for long waits for a GP appointment and subsequent NHS testing
The recommended dietary allowance (RDA) range is as follows [3]: Ages 1418, both male and female 2.4 mcg Ages 19+, both male and female 2.4 mcg Pregnant individuals Between 2.62.8 mcg Again, individual needs may differ, and vitamin B12 requirements in pregnancy are very important, so its best to speak with a healthcare professional about the exact amount of B12 you need for optimal health
Furthermore, insulin resistance has many contributing factors, including genetics, sleep, physical activity, body composition, medications, nutrition, hormones, and medical conditions
Intended for research purposes only - not for human consumption