glutathione serum vitamin c Paula's Choice Review 2023 and bisabolol Paula's Choice 25% Vitamin C

Testing prevents unnecessary procedures and targets treatment to those who truly need replacement

Time-Consuming: Visiting a healthcare provider for B12 injections may require regular appointments, which can be time-consuming, especially for anyone with a busy schedule

PMCID: PMC6766405

People with Digestive Issues: Conditions like Crohns disease, celiac disease, or irritable bowel syndrome can interfere with B12 absorption, making injections a more effective method of getting the nutrient

Annu Rev Neurosci 46(1):101121 Prydz A et al (2020) Pro-inflammatory role of AQP4 in mice subjected to intrastriatal injections of the parkinsonogenic toxin MPP+

By numbing the skin at the injection site first with ice or topical creams, then you reduce some the bruising and soreness that come with weekly or monthly vitamin B12 injections