Sung HY, Choi EN, Ahn Jo S, Oh S, Ahn JH
But some users do report mild side effects, including: Headaches or dizziness (typically at higher doses or when stacking with GH-related peptides) Injection site irritation , redness, or swelling Nausea or GI discomfort when taken orally (more common with low-quality forms) Changes in mood or energy , including restlessness or mild anxiety These symptoms are usually temporary and resolve quickly with dosage adjustment or cycling off
Elastin , the connective tissue protein, also has a high percentage of both glycine and alanine
It may also improve memory and reduce mental fatigue from different causes
Research suggests the ingredient's anti-melanogenic mechanisms may be beneficial for addressing hyperpigmentation disorders common in darker skin phenotypes, though individual variability in response exists