Look at if they provide thorough product or service descriptions such as the substances, sourcing info, and‌ certifications, as this transparency ⁢indicates‍ a⁣ honest⁤ provider. Also,⁤ a supplier that⁢ is‍ open ⁤to sharing lab testing results for purity ⁣and potency demonstrates a serious⁤ commitment to top quality assurance.