What Should You Not Put in a Cold Press Juicer?

Cold press juicing is a fantastic way to extract nutrient-rich juices from fruits and vegetables. However, not every item in your kitchen is suitable for a cold press juicer. Understanding what to avoid putting in your cold press juicer is crucial to maintaining its efficiency and ensuring you get the best quality juice. This guide will help you know what to avoid and why.

1. Hard or Large Seeds and Pits

Some fruits like peaches, cherries, and apricots contain large pits or seeds that can damage the juicer’s mechanism. Not only can these hard seeds cause wear and tear, but they can also release harmful substances into your juice.

Ventray 900 juicer filled with fruits

2. Overly Fibrous Vegetables and Grasses

Vegetables like celery and wheatgrass have long, tough fibers that can clog the juicing screen and strain the motor. While most high-quality juicers like the Ventray models can handle a certain amount of fiber, it’s best to alternate these with softer ingredients.

3. Extremely Hard Fruits or Vegetables

Very hard produce, such as certain types of raw beets or carrots, can strain the motor of even the best cold press juicers. It’s advisable to cut them into smaller, manageable pieces to prevent any damage to your juicer.

4. Frozen Fruits and Vegetables

Frozen produce can be too hard for cold press juicers, leading to potential damage. Always thaw your fruits and vegetables before juicing them. If you’re looking for a chilled juice, add ice after the juicing process.

5. Non-Edible Parts of Fruits and Vegetables

Avoid juicing non-edible parts like banana peels or pineapple cores. These parts can be tough and aren't designed for consumption, potentially leading to a bitter taste or even digestive discomfort.

Yellow Ginnie juicer, a hand holding a glass of juice

6. Coffee Beans or Spices

While it might be tempting to try and make your own coffee or spice extracts, a cold press juicer isn’t designed for dry, hard ingredients like coffee beans or whole spices. These can dull the juicing screen and auger.

7. Meat or Dairy Products

Juicers are specifically designed for fruits and vegetables. Attempting to process meat or dairy products in a juicer can cause damage and create a mess. It’s also a health risk, as juicers can't properly process these products for safe consumption.

8. Excessively Sugary Fruits in Large Quantities

While fruits are a healthy choice, juicing large amounts of high-sugar fruits can lead to a juice that's too concentrated in sugars. This is particularly important for those monitoring their sugar intake.

Ventray Yellow Ginnie juicer with juice, pears, carrots and vegetables on the side

Maximizing Your Cold Press Juicer’s Potential

Knowing what not to put in your cold press juicer is as important as understanding what works best. Here are some tips:

  • Rotate Ingredients: Alternating hard and soft ingredients can help in efficient juicing and prevent clogging.
  • Prep Your Produce: Cutting fruits and vegetables into smaller pieces can enhance the juicing process and protect your machine.
  • Clean Regularly: Regular cleaning, especially after juicing fibrous ingredients, will prolong your juicer’s life and ensure optimal performance.

For those considering a new juicer, Ventray’s guide on how to choose the best masticating juicer is an excellent resource. Also, check out external sources like Good Housekeeping’s juicer buying guide or Healthline’s benefits of cold press juicing for more in-depth information.


While cold press juicers like those offered by Ventray are versatile and efficient, knowing what not to include in your juicing regimen is key to enjoying the full benefits of juicing. By avoiding certain items, you ensure the longevity of your juicer and the quality of your juice. Remember, a little preparation and knowledge go a long way in making the most of your juicing experience.

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