Harris et al., 2015)
Ludvik B, Giorgino F, Jodar E, Frias JP, Fernandez Lando L, Brown K, Bray R, Rodriguez A
Values above 0.4 micromoles per liter (mol/L) in the blood are considered a strong indicator of a deficiency that should be treated
Cracked corners of the mouth Vitamin B deficiencies, especially vitamins B2 and B3, have been linked to cracked corners of the mouth and other symptoms such as dry skin, a red tongue, and a swollen mouth
Some people benefit from weekly top-ups, while others maintain their levels with monthly visits
Treatment of chronic inflammatory diseases and now COVID-19 appears to be complex and may resist finding a single silver bullet intervention (247) supporting the use of combination therapies (170)