Studies have shown that per 70kg body weight, unstressed rats produce 1.8-4.9g vitamin C per day, compared with stressed rats which produced 15.2g. In a study of healthy men and women, oral supplementation of 2000mg vitamin C for 3 weeks, reduced histamine levels by 40%.10 High dose vitamin C may be effective in reducing total histamine levels.
We also know from studies that stress causes an increase in the need for certain other nutrients, Magnesium and B vitamins. You can’t always turn down the stress but you can turn down the symptoms of stress such as anxiety, fatigue, aches and pains, and grumpiness by making sure you have enough of the nutrients your body needs to deal with the stress.