Teavigo is based on a patented extract of the green tea plant. Although it is not a unique product, it has the advantage of featuring one of the purest sources of decaffeinated EGCG. The supplement is not itself a clinically tested supplement, but it features a single active ingredient which has been the subject of such testing. One of the major disadvantages of the formula is that is insufficiently detailed on the manufacturer's site, which may alter the consumers' opinion or make them lose interest in buying the product. However, there is a lot of information about the active ingredient and the clinical research involving it available for online consulting on numerous other medical related web pages.
Although the producer doesn't indicate any potential drug interactions, possible side-effects or other special warnings, a detailed research will reveal that there are several important aspects to be considered before using such a formula. For a complete list of warnings and precautions, it is advisable to consult a healthcare practitioner before use the product.