Pyrroloquinoline Quinone Side Effects: Best Products & Suppliers Guide

However, like all supplements, it's important to be aware of potential side effects. While PQQ is generally considered safe, some individuals may experience mild side effects such as upset stomach, headache, or fatigue. It is always recommended to consult with a healthcare professional before adding any new supplement to your routine, especially if you have any pre-existing health conditions or are taking medications, At Sinofn (Tianjin) Pharm-Tech Co., Ltd., we are committed to providing high-quality PQQ supplements that are rigorously tested for purity and potency. Our products are manufactured according to strict quality standards to ensure the utmost safety and efficacy. Experience the potential benefits of PQQ with confidence, knowing that you are choosing a trusted brand