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Can I take Ashwagandha and Vitamin C together?

Guide för läkemedelsinteraktioner

There are no known harmful interactions between ashwagandha and vitamin C. They are generally considered safe to take together.

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It is generally considered safe to take ashwagandha and vitamin C together. They do not share the same metabolic pathways in the liver, nor do they interfere with each other's absorption or excretion.

Ashwagandha is an adaptogenic herb that works primarily on the body's stress response system (the adrenal glands), while vitamin C is a water-soluble antioxidant.

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How to take ashwagandha and vitamin C safely

  • Take vitamin C with food to avoid stomach upset.

  • You can take ashwagandha at any time of day, though many people prefer taking it in the evening.

  • Always follow the dosage instructions on the product labels.

Graviditet

Do not use ashwagandha during pregnancy as it may have abortifacient effects (it could cause a miscarriage).

Autoimmune diseases

Ashwagandha can stimulate the immune system, which may worsen the symptoms of autoimmune conditions such as lupus, rheumatoid arthritis, and MS.

Hyperthyroidism (overactive thyroid)

Ashwagandha can increase thyroid hormone levels. You must avoid it if you have an overactive thyroid, as it may worsen your condition or interfere with thyroid medications.

Surgery requiring general anaesthesia

Ashwagandha may slow down the central nervous system; you must stop taking it at least 2 weeks before a scheduled surgery to avoid dangerous interactions with anaesthetics.

Kidney stones or chronic kidney disease

High doses of Vitamin C can increase oxalate levels in urine, significantly raising the risk of developing kidney stones or causing kidney damage.

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Alkohol

Ashwagandha has sedative properties. Combining it with alcohol can increase drowsiness, sleepiness, and impaired coordination. It is best to avoid or strictly limit alcohol while taking this supplement.

Caffeine (coffee/tea)

Large amounts of caffeine may slightly increase the amount of Vitamin C excreted in your urine, potentially reducing its effectiveness over time. Try to space out your caffeine intake and your supplement.

Taking multiple medicines? Our Interaktionskontroll för läkemedel helps you check whether your prescriptions, over-the-counter medicines, and supplements are safe to take together. Simply search for your medicines to see potential interactions and what to do about them.

Ansvarsfriskrivning

Denna information är endast avsedd för allmän utbildning och bör inte användas som en ersättning för professionell medicinsk rådgivning. Rådfråga alltid din läkare, apotekare eller annan kvalificerad vårdpersonal innan du fattar beslut om dina mediciner. Individuella omständigheter kan variera, och endast en vårdpersonal som känner till din medicinska historia kan ge personlig vägledning.

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Artikelhistorik

Informationen på denna sida är skriven och granskad av kvalificerade kliniker.

  • 25 jan 2026 | Ursprungligen publicerad
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