Its just slightly less predictable because things like nasal congestion can affect how much you actually absorb
Wolf HT, Brok J, Henriksen TB, Greisen G, Salvig JD, Pryds O, Hedegaard M, Weber T, Hegaard HK, Pinborg A, Huusom LD (2020) Antenatal magnesium sulphate for the prevention of cerebral palsy in infants born preterm: a double-blind, randomised, placebo-controlled, multi-centre trial
Typically 200600mg daily
My freckles have come out slightly but not as much as I thought as I started with a really low dosage of M2
Anywhere from $299 to over $1,000 per month depending on the drug, dose, and whether you access manufacturer savings