Animals 9:720 Jin S, Yang H, Liu F, Pang Q, Shan A, Feng X (2021) Effect of dietary curcumin supplementation on duck growth performance, antioxidant capacity and pectoral meat quality
However, some rare side effects of too much vitamin B12 can include: Headache Weakness Nausea Diarrhea Tingling sensations in the hands and feet Allergic reactions or skin rash (uncommon) When To Seek Medical Advice Risk of vitamin B12 deficiency: Groups at a higher risk of vitamin B12 deficiency include older adults, people who only eat plant-based foods (vegans and vegetarians), and those with certain chronic conditions (gastrointestinal disorders that can affect vitamin absorption)
This encourages collagen production in the treated areas
Kardaun SH, Sekula P, Valeyrie-Allanore L, Liss Y, Chu CY, Creamer D, et al