Marks are less fine (0.1 mL), so it's a bit less precise for small doses
Types of Vitamin Injections Available IM Injections Intramuscular (IM) injections provide rapid nutrient absorption and are commonly used for energy support, immunity, and skin health
Injections can quickly boost energy levels in people who are deficient
4,1416 Screening and Diagnosis Screening persons at average risk of vitamin B 12 deficiency is not recommended
Department of Health and Human Services, ods.od.nih.gov/factsheets/VitaminB6-HealthProfessional/
An untreated cobalamin deficiency can cause anemia, muscle weakness, fatigue, memory loss, nerve damage, intestinal issues, confusion, depression & mood swings, heart palpitations, pale skin, constipation, diarrhea, vision loss, numbness in hands or feet, dizziness, problems with balance, dementia, etc 2.4 micrograms is the recommended dose of vitamin B12 an adult should get every day