Signs and symptoms of vitamin B12 deficiency can include fatigue, pale skin, headaches, shortness of breath, fast heartbeat, gastrointestinal issues, mouth inflammation, paresthesias (abnormal sensations), decreased cognitive ability, depression, muscle weakness, imbalance and incoordination, vision problems, and erectile dysfunction
Its not legally available through licensed pharmacies
Easy measuring: At 10 mg/mL, 1 mg = 0.10 mL = 10 units on a U-100 insulin syringe
On a U-100 insulin syringe, 7.5 units is about 250 mcg, 11.25 units is about 375 mcg, 15 units is about 500 mcg, and 30 units is about 1 mg
Retatrutide has not been tested for pregnancy or breastfeeding and should not be used in these situations
Its preserved formulation makes it a practical option for repeated withdrawals in controlled laboratory environments