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Ashima Sharda Mahindra • 15 Apr 2025
From Prostate Cancer to Choking, Know The Dangerous Health Implications of Overeating Chia Seeds
Overeating chia seeds can have various side effects, which range from gut issues to choking
Chia are small little seeds that are a powerhouse of many nutrients that work wonders for your overall health and well-being. Loaded with omega-3s, protein, antioxidants, and fibre – chia is a versatile seed that can be added to your beverages, puddings, or even mixed in salads and rotis. However, it does not mean that you can consume them in large quantities just because they are a superfood.
According to experts, overeating chia seeds can have various side effects, which range from gut issues to choking.
Side effects of overeating chia seeds
Digestive issues
Chia seeds are rich in dietary fibre which helps prevent and manage constipation. However, if you are overeating them, it can lead to digestive issues like gas, bloating, and severe abdominal pain. According to experts, if you have inflammatory bowel disease or IBD, it is important to limit your fibre intake during flare-ups.
Increased risk of prostate cancer
Studies say chia seeds can increase or decrease the risk of prostate cancer depending on how much you take them. According to doctors, their risk of cancer is associated with alpha-linolenic acid, which is found in abundant quantities in chia seeds—with around 2.5 tablespoons providing roughly five grams.
Kidney trouble
While chia seeds are super healthy and safe in smaller quantities, those with chronic kidney disease should be careful about the amount they consume. Chia seeds are packed with around 115 mg of potassium and 244 mg of phosphorus per 2.5-tablespoon serving. Both of these nutrients are closely monitored in those with kidney disease. In this case, one serving of chia seeds would contribute about 30 per cent of your phosphorus intake, which is way above the prescribed limit.
Also, if you have a history of kidney stones, you must exercise caution when eating chia seeds as they are high in oxalate, a compound that can attach to calcium to form stones.
Can cause choking
Extremely large amounts of dry chia seeds can also cause choking—a dangerous and life-threatening situation—especially in those who have trouble swallowing or a history of esophageal blockages.
While the seeds absorb up to 27 times their weight in water, eating them dry can be avoided. Always make sure to chew chia seeds to prevent them from getting stuck in your esophagus.
Can interact with diabetes medicines
While chia seeds can stabilise your blood sugar levels by slowing carbohydrate absorption, consuming them in large amounts along with diabetes medications or supplements is not advised. Doctors suggest monitoring your blood sugar closely when having chia seeds.
Can cause allergy
According to experts, you must avoid chia seeds if you are allergic to them—with symptoms like itching, hives, and breathlessness. Even though these are rare, a few allergic reactions to chia seeds have been reported, which include dizziness, eczema, and facial swelling.
How many chia seeds should you eat daily?
A common serving size is one ounce—which is around 28 grams or 2-3 tbsp of chia seeds. Remember to drink plenty of water to reduce the risk of any digestive side effects.
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