Aug 29, 2018 Foods and medications that contain citric acid inhibit the absorption of Adderall in the body, making this medicine and acid a bad combination. Avoiding Adderall Abuse and Getting Help Abuse of any legal or illegal drug can cause severe repercussions for the user, which may even be fatal in certain cases.. Consumption of alcohol while taking such dosage forms may result in a more rapid release of the dose of mixed amphetamine salts. Such effects may potentially lead to serious side effects such as acute anxiety, problems with sleep, or increases in heart rate or blood pressure that may lead to heart problems or stroke.. Likewise, citric acid and ascorbic acid (Vitamin C) can affect stimulant medicines. Adderall, Concerta, Dexedrine, Ritalin, and Vyvanse are stimulant medicines that help with focus and attention. Numerous ACV books, herbal medicine books, and other supplement guides all claim that vinegar could decrease the effectiveness of certain. Nov 17, 2014 In aqueous solution, it has an acid reaction to litmus, with a pH of 5 to 6. It is freely soluble in water and slightly soluble in alcohol. 1. The regular immediate-release Adderall tablets should be used for this preparation, and they are available in strengths of 5 mg, 7.5 mg, 10 mg, 12.5 mg, 15 mg, 20 mg, and 30 mg.. Citric Acid and Dextroamphetamine Absorption. This is basically just a PSA for those of us who take Adderall or Dexedrine. For a long time, when I was younger, I took Adderall XR in the morning with a big glass of orange juice, not realizing that I was on a higher dose than necessary, because the citric acid was making the medication much less.