What are the interactions between creatine powder and Adderall (amphetamine and dextroamphetamine)?

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Last updated: May 19, 2025View editorial policy

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From the Guidelines

I strongly advise against combining creatine powder and Adderall without medical supervision due to potential interactions that could exacerbate cardiovascular effects, including increased heart rate and blood pressure, as both substances can affect the cardiovascular system and fluid balance in the body.

Key Considerations

  • Creatine is a dietary supplement used to enhance athletic performance by increasing phosphocreatine stores in muscles.
  • Adderall is a prescription stimulant medication containing amphetamine salts used to treat ADHD and narcolepsy.
  • Both substances can affect the cardiovascular system, with Adderall increasing heart rate and blood pressure, while creatine may cause water retention and put additional stress on the kidneys.
  • The combination might potentially amplify cardiovascular effects, including increased heart rate and blood pressure, as suggested by studies on substances that may cause elevated blood pressure, such as amphetamines 1.

Management Strategies

  • If prescribed Adderall, consult your healthcare provider before adding creatine to your regimen to assess potential risks and benefits.
  • Healthcare providers can provide personalized advice based on specific health conditions, medication dosage, and fitness goals.
  • Staying well-hydrated is crucial when using either substance, as both can affect fluid balance in the body.

Potential Risks

  • Increased heart rate and blood pressure
  • Water retention and additional stress on the kidneys
  • Potential for substance abuse or diversion, particularly with stimulant medications like Adderall 1. It is essential to prioritize medical supervision when considering the combination of creatine powder and Adderall to minimize potential risks and ensure safe use.

From the Research

Interaction between Creatine Powder and Adderall

  • There is no direct evidence in the provided studies to suggest a specific interaction between creatine powder and Adderall 2, 3, 4, 5, 6.
  • Creatine powder is a dietary supplement that increases muscle performance in short-duration, high-intensity resistance exercises 2, 4.
  • Adderall is a prescription medication used to treat attention-deficit/hyperactivity disorder (ADHD) and narcolepsy, and it has a high potential for abuse 3, 6.

Safety and Efficacy of Creatine Powder

  • Creatine powder is generally considered safe and well-tolerated in healthy individuals, with few adverse effects reported 2, 4, 5.
  • The most common adverse effect of creatine powder is transient water retention in the early stages of supplementation 2.
  • Creatine powder may also have neurologic benefits and can be beneficial for older adults and patient populations 4, 5.

Safety and Efficacy of Adderall

  • Adderall can cause a number of adverse events, including decreased appetite, insomnia, abdominal pain, nausea, headaches, and anxiety 3, 6.
  • Amphetamines, including Adderall, are associated with a higher proportion of participants experiencing decreased appetite, insomnia, and abdominal pain 6.
  • The overall quality of the evidence for the efficacy and safety of Adderall is low to very low, and most studies were at high risk of bias 6.

References

Guideline

Guideline Directed Topic Overview

Dr.Oracle Medical Advisory Board & Editors, 2025

Research

Creatine supplementation.

Current sports medicine reports, 2013

Research

Adderall® (amphetamine-dextroamphetamine) toxicity.

Topics in companion animal medicine, 2013

Research

Creatine Supplementation: An Update.

Current sports medicine reports, 2021

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

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