Fortified Foods: Many breakfast cereals, plant-based milks, and nutritional yeast are fortified with B12, offering great options for those on a plant-based diet
Deficiency is widespread in the UK due to limited sunlight exposure, and is particularly prevalent in those with chronic illness, darker skin tones, or conditions affecting fat absorption
But research doses are often specified in micrograms (mcg)
Are there any side effects I should know about
Your starting B12 level Severely low levels usually take longer to recover
However, I have it on good authority that this is your body adapting and improving your cardiovascular fitness The second side effect is arguably a positive benefit, as it can help someone who struggles with exercise get to the point where it easily becomes a daily habit almost like exercise in a pill