The frequency depends on your individual health needs and your doctors recommendation
However, some individuals are more prone to B12 deficiencies due to various factors, such as dietary choices, age, digestive health, and certain medical conditions
These cautions are conservative research context, not a medical screening tool
After dissolving, the solution should be clear , without turbidity or floating particles
Clinical evidence includes 50-100 mg/mL topical solutions with 5-aminolevulinic acid applied daily for 6 months producing significant hair growth improvement, increased follicle size, prolonged anagen phase, and stimulated VEGF and HGF for follicle health
The role of matrix metalloproteinases in aging: Tissue remodeling and beyond