MTHFR gene variants and hypothyroidism are often found together and several studies have looked at the link between the two, but the only real conclusion we can draw is that the connection is not simple. A 2022 meta-analysis published by Yang et. al. shows that C677T variants are associated with an increased risk of hypothyroidism, while A1298C variants are associated with a lower risk than the average population.

Understanding fatigue means understanding what gives you the feeling of having energy in the first place.

If you're tired all the time, here are some factors to rule out at home or with your doctor.