Is it safe to drink raw potato juice?

Drinking raw potato juice has become an increasingly popular health trend in recent years. Proponents claim that potato juice provides a range of health benefits, from detoxification to improved digestion. However, there are also risks associated with consuming raw potato juice. In this article, we’ll explore the potential benefits and drawbacks of drinking raw potato juice to help you make an informed decision about whether it’s right for you.

Potential Benefits of Raw Potato Juice

First, let’s look at some of the proposed benefits of drinking raw potato juice:

High Nutrient Content

Potatoes are packed with important vitamins, minerals and phytonutrients. Some of the key nutrients found in potato juice include:

  • Vitamin C: An antioxidant that supports immune function and collagen production.
  • Vitamin B6: Plays a role in metabolism, brain development and function.
  • Potassium: Helps control blood pressure and heart function.
  • Magnesium: Supports bone health, heart health, immunity and energy levels.
  • Phytonutrients like carotenoids and polyphenols: Compounds that act as antioxidants in the body.

By juicing raw potatoes, you’re able to access these nutrients in an easy-to-absorb liquid form. Some proponents claim that potato juice contains more nutrients gram-for-gram than many other vegetable juices.


Some alternative medicine practitioners believe that raw potato juice can help rid the body of toxins. Potassium and other minerals in potato juice are thought to help flush toxins from the kidneys and digestive tract. However, there is limited scientific evidence to support claims that potato juice or other juices can “detox” the body.

Digestive Benefits

Drinking potato juice may help promote digestion in several ways. It contains potassium and magnesium, both of which act as natural laxatives. Anecdotally, some people report that potato juice relieves constipation and improves stool regularity. Potato juice is also thought to help soothe digestive disorders like gastritis and ulcerative colitis. However, more research is needed on potato juice’s effects on digestive health.

Potential Risks and Side Effects

While potato juice may offer some benefits, there are also some important risks and side effects to consider:

High Glycemic Load

Potatoes have a very high glycemic index, meaning they cause a rapid spike in blood sugar. Consuming potato juice may drastically raise blood sugar levels. For people with diabetes or prediabetes, this could be concerning and needs to be accounted for in dietary planning.

Solanine Poisoning

Potatoes contain a natural toxin called solanine. In very high amounts, solanine can cause nausea, diarrhea, headache, cramps and even death. Leaving potatoes in the light for too long before juicing may increase solanine levels. Consuming high amounts of potato juice could potentially lead to solanine poisoning.

Pesticide Exposure

Unless you’re using organic potatoes, your potato juice will contain traces of pesticides used in commercial farming. Over time, consuming pesticides may have detrimental health effects. Going organic is advised for reducing harm from pesticides.

High Potassium Levels

While potassium offers health benefits, getting too much can be problematic. Excessive potassium consumption from juices may be unsafe for those with kidney disorders or patients taking certain hypertension medications. Checking with a doctor is advised, especially if combining potato juice with other high-potassium foods.

Other Side Effects

Some people report digestive issues like bloating, gas or diarrhea when drinking potato juice. Allergic reactions are also possible. Starting with small amounts and discontinuing use if any intolerance develops is recommended.

Safety Tips for Raw Potato Juice Consumption

If you do choose to try raw potato juice, here are some tips to optimize safety:

  • Use only fresh, organic potatoes.
  • Thoroughly wash and scrub potatoes.
  • Remove any potatoes that are sprouting or green-tinged.
  • Juice potatoes immediately after peeling.
  • Store potato juice in the refrigerator and drink within 24 hours.
  • Start with 1-2 ounces diluted in water or another juice.
  • Monitor blood sugar carefully if diabetic.
  • Consult a doctor if taking hypertension medication or have kidney disease.

Making Your Own Raw Potato Juice

If you want to try making your own raw potato juice at home, follow these simple steps:

  1. Wash and scrub organic potatoes thoroughly.
  2. Remove any eyes, sprouts or green spots.
  3. Peel the potatoes.
  4. Cut potatoes into chunks.
  5. Run chunks through a masticating juicer according to manufacturer instructions.
  6. Consume the potato juice immediately or store in an airtight container in the refrigerator for up to 24 hours.
  7. Start with 1-2 ounces of potato juice at a time, diluted in water or another juice.

A masticating juicer, like a slow or cold-press juicer, is recommended over a centrifugal model. Masticating juicers crush and press produce for maximum nutrient retention.

The Bottom Line

Here is a summary of the key points covered in this article:

Potential Benefits Potential Risks Safety Tips
  • High in nutrients like vitamin C, B6, potassium and magnesium
  • May aid detoxification
  • Could improve digestion
  • Spikes blood sugar due to high glycemic load
  • Risk of solanine poisoning if potatoes are old or kept in light
  • Contains pesticide residues unless organic
  • Excess potassium can be unsafe for some
  • Use only fresh, organic potatoes
  • Wash, peel and juice potatoes immediately
  • Drink within 24 hours of juicing
  • Start with 1-2 oz diluted in water/juice
  • Monitor blood sugar if diabetic
  • Consult doctor if taking hypertension meds or have kidney disease

In conclusion, raw potato juice may offer some health benefits but also comes with risks. If you have a health condition or take any medications, talk to your healthcare provider before trying raw potato juice. Additionally, pay close attention to sanitation, storage time and intake amounts. While potato juice is not recommended for everyone, taking the proper precautions can help minimize any risks.

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