Human efficacy remains unproven
Most people can get enough vitamin B12 in foods they eat already, such as fish, meat poultry, eggs, dairy products, and foods that are fortified with B12 (like some breakfast cereals)
Some notable safety-related conclusions from scientific materials include: A 2016 review of TB4 for dermal healing: The safety profile is excellent, and no preclinical toxicology has been found.22 A 2016 clinical trial on patients with STEMI: Our pilot study suggested that T4-optimized EPC transplantation appeared to be feasible and safe.34 A 2021 review of TB4 research: It was well tolerated and safe in healthy people and suitable for use in a clinical study.21 Though the compound itself may be generally safe for adults to use, some common side effects from TB4 injections reported by patients and doctors include: Injection site reactions (e.g., redness, mild swelling, or pain) Mild gastrointestinal symptoms Headaches and dizziness Rare but more serious side effects can include fever, blistering at the injection site, muscle aches, skin rash, vomiting, severe itching, or hives
The compound is supplied as a lyophilized powder because peptides in liquid form degrade rapidly the freeze-dried format keeps the compound stable at room temperature for 1218 months when protected from light and moisture
