B12 levels can decrease with age as well as being lower in people who have undergone weight loss surgery or suffer from Pernicious Anaemia, Crohns or Celiac disease
Use of "Phasic axons that fatigue in their glutamate neurotransmitter release have lower glutamate levels than tonic glutamate axons with greater glutamate levels (34)
Some of our more popular IM Vitamin Shots: Level 1 Injections Vitamin B12: Energy metabolism, mood, and blood health B-Complex: Energy, stress, metabolism, and immune support L-Glutamine: Helps with muscle soreness and recovery, improves gastrointestinal and immune function, may help with leaky gut and ulcers, supports brain health (addiction, anxiety depression, Alzheimer's, seizure disorders, and more), promotes muscle growth, supports metabolic and heart health, great as a chemotherapy adjunct to support gut lining permeability
Peptides like Ipamorelin and CJC-1295 are growth hormone secretagogues (GHS)