# 1.**Ingredients****Natural ingredients**:High-quality coffee usually contains natural ingredients, such asgreen coffee bean extract,garcinia cambogia extract, etc.and avoids the use of artificial additives.-**Activeingredient content**: The content of ingredients such ascaffeine and chlorogenic acid should be clearly marked toensure that it is within the safe range. ### 2. **Safety**-**No harmful substances**:High-quality products shouldpass safety tests such as heavy metals and pesticideresidues to ensure that there are no harmful substances.-**Side effects**: Possible side effects such as palpitationsand insomnia should be clearly listed, and it isrecommended to use under the guidance of a doctor. ###3.**Effect**_**Scientific basis**:High-quality coffeeshould have scientific research to support its effect.