two. Know‍ the ingredients: ‍Lean syrup typically has ‍a mix of codeine, promethazine, and various substances.⁣ Familiarize ⁢on your own With all the substances ⁣checklist and consult which has a Health care Expert⁣ Should you have any ‌considerations or pre-present problems. The good thing is, there are safer options available �