Potential risks Serious risks and adverse events include: Allergic reaction to the medications or dye used in the injection Shoulder infection Depigmentation of the skin around the injection site (a whitening of the skin) Local fat atrophy around the injection site (thinning of the skin) Rupture of a tendon located in the path of the injection Nerve damage near the shoulder joint Bleeding at the injection site In addition to the above, corticosteroid injections increase the risk of: High blood pressure High blood sugar Decreased immune function Decrease in bone mineral density Bone infection (osteonecrosis) Reproductive hormone imbalance Metabolic changes (eg, increased appetite, weight gain, and fluid retention) These risks are typically associated with higher doses of corticosteroids, multiple injections, and for people with underlying medical conditions such as diabetes and heart problems

Milligrams (mg) measure the total amount of active drug, while units represent smaller increments for precise delivery
I am trying to play a little devils advocate here
For those who have been following our four horsemen of the mental health apocalypse, oxidation is the fourth horseman
GLOBAL GLUTATHIONE MARKET SIZE, BY CREAMS, BY COUNTRY, 2018-2032 (USD MILLION) TABLE 24