Peptides are commonly explored for skin rejuvenation, collagen support, hair growth, recovery optimization, and healthy aging protocols
Non-nutritive sweeteners like sucralose and stevia may potentially be OK
Individuals with a history of thyroid conditions or MTC should discuss the potential risks with their healthcare provider
doi: 10.3389/fimmu.2025.1711756 Received 23 September 2025 Accepted 31 October 2025 Published 19 November 2025 Volume 16 - 2025 Edited by Jean-louis Mege, Aix-Marseille Universit, France Reviewed by Nadja Freund, Ruhr University Bochum, Germany Namrata Anand, University of Chicago Medical Center, United States Updates Copyright 2025 Su, Li, Yang, Yang, Wang, Ren, Bao, Lao and Luan
If you are pregnant and are concerned that you may be at risk of low levels, refer to your GP, because low levels may increase your babys risk of a neural defect