Reddit discussions are full of speculation: Immune system irritation: The body sometimes responds to the injected medication as if it were an irritant, producing swelling, redness, and itching
chronic haemolytic anaemias, ineffective erythropoiesis, ileal diseases, extended ileal resections, or liver cirrhosis [83, 84]
Many users intentionally pick Thursday or Friday evening as their shot day so the rougher days land on the weekend rather than mid-workweek
Different Hanseniaspora yeasts for instance, showed a relevant production of polysaccharides, thiol molecules and GSH during growth and after autolysis, in some cases even higher than certain Saccharomyces strains (Voce et al., 2022)
In the group of clinicians, we took their professional titles as grouping factors, and found no significant difference (P = 0.281)
This effect does not indicate organ damage or toxicity