Since asthma is often caused by an allergic reaction, wheezing, tightness in the throat or chest, or breathing issues may indicate a glutathione sensitivity
By your forties, you might have significantly lower glutathione levels than you did in your twenties
What You Can Eat and What You Can't You won't be eating much
NICE notes that pernicious anaemia is the most common cause of Vitamin B12 deficiency in those aged 40-70, with an average onset age of 60 in white people and 50 in black people, although it can affect black women at a younger age
Supplementation of 500 mg/d for 4 weeks downregulated the HPA axis, altered the typical pattern of ACTH and cortisol change, and reduced immune response activation in Mg-supplemented rugby players (Dmitrainovi 2016) Omega-3 Fatty Acids 1 to 2 g/d (Jahangard 2019, Kiecolt-Glaser 2011) Daily 1,000 mg omega-3 supplementation for 8 consecutive weeks positively influenced psychological and physiological markers of occupational burnout, including lowering morning cortisol (Jahangard 2019)