Deficiency is particularly common in elderly people, because the ability to absorb vitamin B12 can decrease with age ( Other people at risk of deficiency include those who have had intestinal surgery, including weight loss surgery
Adding oral B12, sublingual B12, or additional B12 injections poses no risk
Mikus et al., 2001
Saline Solutions 0.9% sodium chloride mimics physiological conditions and is used in some clinical settings, but for peptides it introduces variables: salt can shift ionic balance, promote aggregation in hydrophobic sequences, or affect stability during storage
Dermal Healing Acceleration Pre-Clinical Models & Phase 2 Trials (PubMed, 2012) A review of Thymosin Beta-4s pre-clinical and clinical dermal healing evidence published on PubMed confirmed that TB4 accelerated dermal healing of full-thickness punch wounds across a wide range of animal models including normal rats and mice, steroid-treated rats, diabetic mice, and aged mice