Horseradish is a spicy condiment and has traditionally been used for its medicinal properties.
Horseradish root, calledArmoracia rusticana, is an annual herb in theBrassicaceaefamily.
The horseradish plant is native to Eastern Europe.
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Horseradish contains several nutrients, such as vitamin C, folate, calcium, magnesium, and potassium.
That means some supplement products may not contain what the label says.
No supplement is intended to treat, cure, or prevent disease.
Verywell / Anastasia Tretiak
For this reason, they are studying the horseradish plant’s components (chemicals).
Early studies show that horseradish may have antibacterial properties.
But again, the data supporting these claims is insufficient.
More clinical studies (studies in humans) are necessary to confirm its effectiveness.
The fresh root of horseradish should be taken before meals.
Take 34 grams daily.
The dried root can be taken in doses of 20 g per day.
As an infusion and syrup, horseradish can be taken in 2 g doses several times per day.
Horseradish can also be prepared in a tincture.
Take 24 g of the dried equivalent daily as a tincture.
Horseradish capsules come in a variety of dosages from 500 milligrams (mg) to 1000 mg.
There isn’t a recommended dosage for horseradish capsules, so follow the label recommendations.
Is Horseradish Safe?
Horseradish is most commonly consumed as a condiment.
There is no clinical data showing possible side effects as an herbal supplement.
Most clinical studies have been completed in cells or animals (not in humans).
As a food, side effects may include:
Severe side effects of horseradish are rare.
If you experience any physical changes or symptoms when using horseradish, consult your healthcare provider.
Precautions
Though horseradish is generally safe, there is some cause for caution.
Using horseradish at therapeutic levels during pregnancy or breastfeeding is also not recommended.
What Happens if I Consume Too Much Horseradish?
Horseradish is generally safe.
Taking small quantities when using this condiment or supplement is best.
Store-bought sauces containing horseradish can be high in sodium.
Be sure to read the nutrition label carefully.
Horseradish can be toxic if eaten in high quantities.
The toxic part of the plant can be found in the root.
Theglucosinolatesfound in the root cause this risk of toxicity.
Interactions
There are no recent reports of horseradish having any drug interactions.
Because of this uncertainty, if you take levothyroxine, speak with your healthcare provider before using horseradish.
How to Store Horseradish
Horseradish is available in freeze-dried and dehydrated forms.
In these forms, follow the recommendations for storage found on the supplement label.
Sources of Horseradish and What to Look For
Horseradish can be found in many forms.
It is available as a spicy food condiment or as a supplement.
The best way to receive the benefits of horseradish is through a supplemental form.
Horseradish Supplements
Horseradish supplements are available in many forms.
The actual root, of which most supplements are made, can be purchased at grocery stores.
Traditional medicine has used horseradish to act on many health issues from infections to inflammation.
Frequently Asked Questions
Horseradish contains sinigrin.
There is mention of the traditional use of horseradish for gastrointestinal issues.
But it is not specified to treat stomach upset.
On the contrary, consuming too much horseradish may cause stomach pain and vomiting.
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