The benefits and harms of pumpkin seeds: what are the side effects and who should not eat pumpkin seeds

Side effects and contraindications of pumpkin seeds

Moderate consumption of pumpkin seeds is healthy, but they can cause side effects if consumed in excess or for certain groups of people. The most common problems include digestive disorders, allergic reactions, and risk of heavy metal intake. Contraindications include people with digestive problems, gallbladder disease, allergy sufferers, as well as those taking medications, pregnant women and children. Controlling the amount and following the recommendations will help to avoid undesirable consequences.

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Common side effects of pumpkin seeds

Digestive distress
Pumpkin seeds are rich in fats and proteins. Excessive consumption (more than 50 g per day) may cause bloating, constipation, or diarrhea. If not chewed thoroughly, the hard seed coat can irritate the lining of the stomach and intestines.

High calorie content
There are about 574 kcal in 100 g of pumpkin seeds. If consumed in excess on a regular basis, it can increase the risk of weight gain, especially in people who control their body weight.

Allergy risk
Some people may be allergic to the plant proteins in pumpkin seeds. Possible symptoms include itchy skin, redness, swelling or respiratory discomfort. In severe cases, medical attention is required.

Accumulation of heavy metals
If pumpkin seeds are grown in contaminated soil, they may contain heavy metals such as lead or cadmium. Long-term Consuming large amounts of these products may pose a health risk, so it is recommended to buy seeds from reputable manufacturers.

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Who can't eat pumpkin seeds

People with digestive diseases
Patients with peptic ulcer, enteritis or gastroesophageal reflux are advised to avoid eating pumpkin seeds as they can stimulate the production of stomach acid and increase unpleasant symptoms.

People with gallbladder disease
Pumpkin seeds contain about 46% of fat. Eating them can cause the gallbladder to shrink, sometimes resulting in pain or an increased risk of gallstones.

People with allergies
Those who are allergic to nuts or seeds should be careful. It is recommended to try a small amount the first time and observe the body's reaction.

People taking medications
Pumpkin seeds can affect blood sugar levels and blood pressure. People with diabetes or those taking blood pressure medication should consult a doctor. Also, due to their high phosphorus content, people with kidney disease should limit their consumption.

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Special recommendations for certain groups

Pregnant women and children
Pregnant women can consume pumpkin seeds in moderation to obtain zinc and iron, but no more than 30 g per day is recommended. Children should avoid swallowing whole seeds because of the risk of choking, so it is better to crush them.

Older people
Elderly people with impaired chewing or reduced intestinal motility are advised to consume small portions or pureed pumpkin seeds.

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Recommendations for healthy consumption

Quantity control
For healthy adults, it is recommended to consume about 20-30 g per day (about a small handful). It is better to choose natural seeds without salt and unnecessary processing.

Thorough chewing
Good chewing reduces gastrointestinal irritation and improves nutrient absorption.

Combination with foods rich in fiber
Consuming pumpkin seeds along with vegetables and whole grain products helps to reduce the burden on the digestive system.

Proper storage
Store seeds in an airtight container and protect from light to prevent oxidation and rancid taste.

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Bottom line

Pumpkin seeds are a nutritious and healthy product rich in magnesium, zinc and unsaturated fatty acids. If consumed sensibly, they can bring health benefits. However, it is important to take into account the individual characteristics of the body and observe moderation. If unpleasant symptoms appear, it is recommended to stop consumption and consult a doctor.