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Drug Interactions between cannabis and Vitamin C

This report displays the potential drug interactions for the following 2 drugs:

  • cannabis
  • Vitamin C (ascorbic acid)

Interactions between your drugs

No interactions were found between cannabis and Vitamin C. This does not necessarily mean no interactions exist. Always consult your healthcare provider.


A total of 377 drugs are known to interact with cannabis.

  • Cannabis is in the drug class illicit (street) drugs.
  • Cannabis is used to treat the following conditions:
    • AIDS Related Wasting
    • Muscle Spasm
    • Nausea/Vomiting, Chemotherapy Induced
    • Pain

Vitamin C

A total of 27 drugs are known to interact with Vitamin C.

  • Vitamin c is in the drug class vitamins.
  • Vitamin c is used to treat the following conditions:
    • Dietary Supplementation
    • Scurvy
    • Urinary Acidification

Drug and food interactions

cannabis (Schedule I substance) food

Applies to: cannabis

Alcohol can increase the nervous system side effects of cannabis (Schedule I substance) such as dizziness, drowsiness, and difficulty concentrating. Some people may also experience impairment in thinking and judgment. You should avoid or limit the use of alcohol while being treated with cannabis (Schedule I substance). Do not use more than the recommended dose of cannabis (Schedule I substance), and avoid activities requiring mental alertness such as driving or operating hazardous machinery until you know how the medication affects you. Talk to your doctor or pharmacist if you have any questions or concerns.

Therapeutic duplication warnings

No warnings were found for your selected drugs.

Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.

See Also

  • Cannabis Drug Interactions
  • Vitamin C Drug Interactions
  • Vitamin C General Consumer Information
  • Drug Interactions Checker
Drug Interaction Classification
These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.

Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No interaction information available.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some mixtures of medications can lead to serious and even fatal consequences.

View drug interactions between cannabis and Vitamin C. These medicines may also interact with certain foods or diseases.

Cannabis extract CBD overtakes Vitamin C and D as most popular health supplement

Sales of the product have rocketed as people ditch traditional remedies

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  • 17:00, 10 SEP 2019
  • Updated 17:39, 10 SEP 2019

Sales of CBD oil have rocketed as consumers go wild for the cannabis extract which has become a popular food supplement.

CBD is a chemical substance found in cannabis or hemp that has reported medical benefits, such as reducing stress, inflammation and insomnia.

It is legal in the UK as long as it does not contain THC, the active ingredient in cannabis which gets you high and is a controlled substance under the Misuse of Drugs Act 1971.

Despite a lack of rigorous scientific studies into the oil’s benefits, people have reported it helps them with chronic pain conditions.

The size of the UK CBD market is believed to be £300m per year with 1.3m active users, according to the latest findings.

This is larger than the total UK Vitamin D (£145m) and Vitamin C market (£119m) combined.

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The market is currently growing at a huge rate and is expected to be just short of £1bn by 2025.

This would be equivalent to the entire UK herbal supplement market in 2016.

However the NHS says on its website: “Many cannabis-based products are available to buy online, but their quality and content is not known. They may be illegal and potentially dangerous.

“Some products that might claim to be medical cannabis, such as ‘CBD oil’ or hemp oil, are available to buy legally as food supplements from health stores. But there’s no guarantee these are of good quality or provide any health benefits.”

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Supplement manufacturers are now calling on the UK Government to clear up the legislation around CBD use.

“The benefits of CBD are now being better publicised as a huge volume of research is released across the globe,” says Paul Waite, founder of company New Leaf CBD.

“Our aim is to help bring these benefits to their customers by producing carefully researched and diligently tested CBD supplements.”

Sales of the product have rocketed as people ditch traditional remedies