Who should not take VITAMIN C?
a high amount of oxalic acid in urine
iron metabolism disorder causing increased iron storage
sickle cell anemia
anemia from pyruvate kinase and G6PD deficiencie
https://www.webmd.com/drugs/2/drug-322/ascorbic-acid-vitamin-c-oral/details/list-contraindications
Who should not take AIRBORNE?
active tuberculosis
HIV
leukemia
multiple sclerosis
inflammation of the nose due to an allergy
asthma attack
systemic lupus erythematosus, an autoimmune disease
rheumatoid arthritis
https://www.webmd.com/drugs/2/drug-165054/airborne-oral/details/list-contraindications