Vyvanse and Vitamin C: Can You Take Them Together?

Vyvanse is a prescription medicine used to treat ADHD and moderate to severe binge eating disorder in adults. This article explains what the prescribing information says about vitamin C, food and orange juice, and why supplement questions should be discussed with a prescriber or pharmacist.

Understanding Vitamin C and Vyvanse

What is Vitamin C?

First, let's take a closer look at what vitamin C actually is and how it works. Vitamin C, also known as ascorbic acid, is a water-soluble vitamin that is naturally present in many foods, including citrus fruits, strawberries, kiwi, broccoli, and spinach. It plays a crucial role in many bodily processes, including the production of collagen, a protein that is essential for healthy skin, bones, and teeth.

In addition to its role in collagen production, vitamin C acts as an antioxidant and supports immune function. These biological roles do not establish that taking extra vitamin C prevents disease or enhances ADHD medication.

Vitamin C is also involved in the synthesis of certain neurotransmitters. This role does not show that a vitamin C supplement improves concentration or adds to the effects of Vyvanse.

What is Vyvanse?

Vyvanse, on the other hand, is a prescription stimulant medication that's commonly used to treat attention deficit hyperactivity disorder (ADHD) and binge eating disorder. Its active ingredient, lisdexamfetamine dimesylate, is a central nervous system stimulant that works by increasing the levels of certain neurotransmitters, including dopamine and norepinephrine. By doing so, Vyvanse can improve focus, concentration, and impulse control.

Vyvanse and Adderall differ in their formulation. Information about vitamin C and Adderall should not be used to assume that Vyvanse causes a vitamin deficiency or that the two medicines have identical food interactions.

However, Vyvanse can also have side effects, including decreased appetite, insomnia, and anxiety. It can also be habit-forming and may lead to dependence or abuse. Therefore, it's important to use Vyvanse only as directed by a healthcare professional and to closely monitor its various side effects.

Vitamin C is not an established way to enhance Vyvanse. The Vyvanse label distinguishes food and orange juice from agents that change urinary pH. Urinary acidifying agents, including ascorbic acid, can lower amphetamine blood levels. That is different from claiming that ordinary vitamin C foods block capsule absorption.

Vyvanse Uses, Side Effects and Interactions

What Does Vyvanse Treat?

Vyvanse is a stimulant ADHD med used in children and adults, and the FDA has also approved it, at a dosage set by your prescriber, for moderate to severe binge eating disorder (BED) in adults. Vyvanse mainly works to increase dopamine and norepinephrine. It can affect serotonin when combined with some other medicines, so interactions matter, as explained below.

Starting Vyvanse: What to Expect

Vyvanse is usually taken once a day in the morning, with or without food.^[1] As a stimulant, it can make you feel more alert and give you energy by reducing fatigue. When starting Vyvanse, common effects include decreased appetite, trouble sleeping, dry mouth, headache, and irritability. These often ease as your body adjusts, and some people need a dose adjustment if side effects are uncomfortable.
Because trouble sleeping is a common side effect, tell your prescriber if it is hard to fall asleep after taking Vyvanse rather than changing the timing yourself.

Diarrhea and Other Stomach Side Effects

Vyvanse can cause diarrhea. In the label's adult ADHD trial, diarrhea was reported by 7% of people taking Vyvanse and by none of those taking placebo, and nausea showed the same pattern. Tell your prescriber if stomach symptoms continue or make it hard to eat or drink enough.

Serious Side Effects

Stop taking Vyvanse and get medical help right away for chest pain, shortness of breath, fainting, or signs of an allergic reaction such as rash or swelling. Also tell your prescriber about sudden changes in mood, behavior, or thoughts.

Is Vyvanse a Mood Stabilizer?

No. Vyvanse is a stimulant, and mood stabilizers are a different group of medicines, such as lithium, lamotrigine and valproate, used for bipolar disorder. Some people feel calmer or more positive once ADHD symptoms are under control, but Vyvanse is not approved to treat depression or mood disorders, and it can cause irritability or anxiety. The label warns that stimulants may trigger a manic or mixed episode in people with bipolar disorder and advises screening for risk factors before starting. If Vyvanse seems to improve or worsen your mood, tell your prescriber.

Vyvanse Interactions With Antidepressants and Anxiety Medication

Tell your prescriber about every medicine and supplement you take. Vyvanse must not be taken within 14 days of a monoamine oxidase inhibitor (MAOI), a type of antidepressant, because the combination can cause serotonin syndrome, with symptoms such as agitation, hallucinations, rapid heartbeat, and seizures.^[1] SSRIs, often used for depression and anxiety, can also interact with Vyvanse. There is no single best anxiety medication or antidepressant to take with Vyvanse, so if you take it for ADHD and anxiety, your prescriber will weigh these interactions when choosing anxiety meds.

Viibryd (vilazodone) and Pristiq (desvenlafaxine) are antidepressants that act on serotonin. The Vyvanse label warns that serotonin syndrome may occur when amphetamines are combined with serotonergic drugs, including SSRIs, SNRIs, triptans, tricyclic antidepressants, lithium, buspirone and St. John's Wort. Taking Vyvanse and Viibryd or Vyvanse and Pristiq together is a decision for your prescriber, who can adjust doses and watch for symptoms.

Agomelatine, sold as Valdoxan in Europe and Australia, works on melatonin and serotonin receptors and is not approved in the US, so the Vyvanse label does not cover it. If you take agomelatine, ask your pharmacist to check it alongside Vyvanse before combining them.

Vyvanse and Cold Medicines Such as DayQuil

DayQuil Cold and Flu contains acetaminophen, the cough suppressant dextromethorphan and the decongestant phenylephrine. Decongestants can raise heart rate and blood pressure, which stimulants can also do, and dextromethorphan acts on serotonin. Before you take Vyvanse and DayQuil on the same day, ask a pharmacist to check the exact product, because cold medicine formulas vary.

The Science Behind the Combination

Vitamin C, Urinary pH and Vyvanse

Vyvanse contains lisdexamfetamine, a prodrug converted to dextroamphetamine primarily in the blood by red blood cells. The label warns that agents changing urinary pH can change amphetamine excretion and blood levels. Ascorbic acid is listed as an acidifying agent. This warning concerns urinary elimination, rather than a demonstrated loss of lisdexamfetamine absorption from stomach acidity.

For Vyvanse capsules, the label reports that food and orange juice did not change dextroamphetamine exposure or peak concentration in the studied healthy adults. Food delayed the time to the peak. Capsule contents may be mixed with orange juice as directed in the label. These capsule findings do not establish that every vitamin C supplement or intake has no interaction.

Discuss vitamin C supplements and other medicines with your prescriber or pharmacist. Do not change your Vyvanse dose or use vitamin C to try to control how long it works based on this article.

Vitamin C and Neurotransmitter Synthesis

Vitamin C's role in neurotransmitter synthesis does not establish an ADHD treatment benefit. It should not be presented as a way to increase Vyvanse's effects on focus or concentration.

Vitamin C has antioxidant functions in the body. A biological mechanism is not proof that supplementation protects the brain or improves cognition in people taking Vyvanse.

Maintaining adequate vitamin C nutrition is different from demonstrating that a supplement improves cognitive performance. This article does not establish a cognitive benefit from adding vitamin C to Vyvanse.

Potential Effects of Combining Vitamin C and Vyvanse

Vyvanse is a medication used to treat attention-deficit hyperactivity disorder (ADHD) and binge eating disorder. It works by increasing the levels of certain chemicals in the brain, such as dopamine, which help to improve focus, concentration, and impulse control. While Vyvanse is a highly effective ADHD medication for many individuals, some users may experience side effects or find that the medication is not as effective as they would like it to be.

Vitamin C occurs in foods such as oranges, strawberries and broccoli, and is also available in supplements. The label permits Vyvanse capsules to be mixed with orange juice. Do not treat all vitamin C foods as equivalent to a urinary acidifying interaction or use a supplement as a medication booster.

Potential Impact on Cognitive Function

Vitamin C supports normal body functions, but adding it to Vyvanse is not an established method of improving cognitive performance.

If deficiency is suspected, a healthcare professional can assess nutritional needs. A deficiency concern does not demonstrate that additional vitamin C will improve memory, attention or processing speed.

Focus and Concentration

Vyvanse is prescribed to manage ADHD symptoms. The label's urinary acidification warning does not supply a rule that vitamin C taken near a dose will reduce capsule absorption. Ask your pharmacist about the specific supplement and medicine you use.

Energy Levels

While both Vyvanse and vitamin C can individually affect energy levels, combining them does not necessarily lead to increased energy. Vyvanse, as a stimulant medication, can increase alertness and reduce fatigue. Vitamin C, on the other hand, plays a role in energy metabolism at a cellular level and its deficiency can lead to fatigue. However, supplementing with vitamin C when levels are already adequate is unlikely to provide additional energy benefits.

Immune System Support

Vitamin C supports immune function. That does not make extra supplementation automatically beneficial or establish a safe timing rule with Vyvanse.

The NIH vitamin C fact sheet describes its nutritional roles and supplement risks. It does not establish vitamin C as treatment for autoimmune disorders or allergies in people taking Vyvanse.

Vitamin C and Vyvanse serve different purposes. Do not use supplement timing to try to enhance or reduce Vyvanse's effects. Discuss supplement use with your healthcare provider.

How to Take Vitamin C and Vyvanse Safely

Vitamin C and Vyvanse are two substances that are both commonly used for different purposes. Vitamin C is a powerful antioxidant that helps to boost the immune system, while Vyvanse is a medication that's used to treat attention deficit hyperactivity disorder (ADHD) and binge eating disorder.

Discussing Supplement Intake

Vitamin C requirements vary with age and life stage. Ask your healthcare provider whether a supplement is appropriate, especially when taking prescription medication. This article does not recommend a vitamin C dose or a separation interval with Vyvanse.

It's important to note that taking too much vitamin C can lead to adverse side effects, such as diarrhea, nausea, and stomach cramps. Therefore, it's crucial to consult your doctor before increasing your vitamin C intake, especially if you're taking Vyvanse or any other medications.

Timing Considerations

The prescribing information says to take Vyvanse in the morning with or without food. It allows capsule contents to be mixed with orange juice, water or yogurt and consumed immediately. It does not give a universal vitamin C separation interval. Follow your prescribed schedule and ask your pharmacist about supplements.

It's important to follow the dosage instructions provided by your doctor or pharmacist when they prescribe Vyvanse for you to ensure that you're taking the right amount of Vyvanse at the right time.

Potential Side Effects and Interactions

While vitamin C is generally considered safe for most people, it can cause side effects in some cases, including stomach upset, diarrhea, and nausea. If you experience these symptoms or any other side effects after taking vitamin C, it's important to speak with your doctor.

Let your doctor know about all medicines and supplements before starting vitamin C. Potential interactions need to be checked for your particular treatment, including cancer treatment.

In conclusion, while vitamin C and Vyvanse can both be beneficial when taken separately, they should not be combined with the expectation of enhancing Vyvanse's effects. It's important to consult your doctor before starting any new supplement or medication and to follow the recommended dosages and timing instructions to achieve the best results and avoid potential interactions.

Alternatives and Complementary Approaches

Vyvanse is a popular ADHD medication used to treat attention-deficit/hyperactivity disorder (ADHD) and binge eating disorder. While it is effective for many people, some individuals may want to explore complementary approaches to support their overall health and well-being alongside their prescribed treatment.

Other Vitamins and Minerals to Consider

Other vitamins and minerals have normal nutritional roles, but this article does not establish that magnesium, zinc or vitamin D improves the effect of Vyvanse. A clinician can assess a suspected deficiency before recommending supplementation.

Before adding any new supplements to your regimen, it is important to speak with your doctor or healthcare provider. They can help you determine the appropriate dosage and ensure that there are no potential interactions with your medication.

Vyvamind Is Not Vyvanse

Vyvamind is an over-the-counter nootropic supplement with a name similar to Vyvanse. Its listed ingredients include citicoline, caffeine, L-tyrosine, L-theanine and vitamins B6 and B12. It does not contain lisdexamfetamine and is not FDA approved to treat ADHD. Vyvamind dosage comes from the maker's packaging, and any caffeine or other stimulant ingredients still matter when your prescriber or pharmacist reviews what you take.

Neither product is a weight loss treatment. The Vyvanse label says it is not indicated or recommended for treating obesity, and Vyvamind has no established weight loss effect.

Natural Sources of Vitamin C

If you're interested in maintaining adequate vitamin C intake through your diet, there are many foods that are rich in this nutrient. Citrus fruits, such as oranges and grapefruits, are a classic source of vitamin C. Berries, such as strawberries and raspberries, are also a great option. Kiwi, papaya, and pineapple are other fruits that are high in vitamin C. Leafy greens, such as spinach and kale, are also packed with this important nutrient.

It is important to note that Vyvanse (lisdexamfetamine) can only be obtained through a prescription from your doctor. It is a controlled substance and medication that can be habit-forming, so it is important to take it only as directed. If you have any concerns about your medication, speak with your doctor or healthcare provider.

Discussing Medication and Diet with Your Clinician

Strategic Dosing

Take Vyvanse only on the schedule prescribed for you. The label directs morning administration and advises avoiding afternoon doses because of possible insomnia. Do not add a second or booster dose on your own. Use the CareClinic app's medication tracker to log your doses and set reminders for optimal timing. A timer can be set to start after the medication is dosed automatically.

Meals and Medication

Vyvanse may be taken with or without food. The capsule food study does not establish that a protein-rich meal amplifies its effects or prevents appetite suppression. Track your protein intake and its effects on medication efficacy using the CareClinic app's nutrition logger.

Proper Hydration

Drinking water can help with dry mouth, but this article does not establish that drinking more water improves Vyvanse absorption or effectiveness. Discuss persistent side effects with your clinician. Use the CareClinic app's fluid intake tracker to monitor your hydration levels and set reminders to drink water regularly.

Medication Schedule

Follow your prescribed medication schedule rather than shifting doses to match peak alertness. The label recommends morning administration and avoiding afternoon doses because of possible insomnia. Use the CareClinic app's symptom tracker to identify your most productive periods and set medication reminders accordingly.

Intermittent Fasting

Intermittent fasting is not an established method of enhancing Vyvanse. Food is permitted by the label, and decreased appetite is a recognized side effect. Discuss dietary changes with your clinician rather than restricting food to intensify medication effects. Use the CareClinic app's nutrition tracker to monitor fasting periods and note any changes in medication effectiveness.

L-Tyrosine Supplementation

This article does not establish that L-tyrosine improves Vyvanse's effects or reduces a medication crash. Do not use a supplement dose or timing plan from anecdotal reports. Discuss any supplement with your prescriber or pharmacist before starting it. Use the CareClinic app's medication tracker to monitor your L-Tyrosine intake and its effects on your Vyvanse experience. Remember to consult your HCP before starting! ^[1]

Using the CareClinic App to Help Manage ADHD

Keeping track of your health and medications is crucial, and the CareClinic app can help with that. You can use the app as your health and clinical journal. Just go to the diary section of the app and enter your daily symptoms, medications, and any other factors or triggers, as they occur. There are also specific sections on the app to track each of these. For example, if you have ADHD symptoms, you can track symptoms you experience on a daily basis, which helps with more frequent monitoring.

The app also has a medication section where you can precisely track the doses of the pills you are taking and receive reminders. Whether you are taking Vyvanse, Adderall, other stimulants, or other ADHD medications, we know how difficult but important it is to keep track of your ADHD medications, so we hope to make it as easy and streamlined as possible. This way, you can take your ADHD medications consistently and monitor your progress over time.^[2]

Conclusion

Take Vyvanse as prescribed and discuss vitamin C supplements with your prescriber or pharmacist. The capsule food and orange-juice findings are distinct from the urinary acidification warning. Do not use vitamin C, dietary restriction or supplements to alter the medication's effects, and do not add doses or change your schedule on your own.