Metformin and certain reflux medications can lower your bodys ability to absorb B12 from oral supplements
The most common reports are mild stimulant-like effects (warmth, slightly higher resting heart rate), insomnia if dosed late in the day, and mild stomach upset with capsules
Options for managing tolerance include a brief dose reduction for 4 to 8 weeks ("drug holiday" at a lower dose, not complete cessation), lifestyle optimization to maximize the medication effect, evaluation for other contributing factors (thyroid function, cortisol, sleep quality, medication interactions), and consideration of adding a complementary compound to address specific aspects of the plateau
Health effects of dietary risks in 195 countries, 19902017: a systematic analysis for the Global Burden of Disease Study 2017
The arginate form is commonly used in oral peptide formulations to support stability, absorption, and bioavailability
Thymosin beta-4 is a 43-amino acid full-length peptide