Chia seeds warning: 4 types of people Fortis doctor says should avoid this superfood; can even cause 'bleeding'

Chia seeds are widely promoted as a superfood due to their high nutritional value and versatility in everyday meals. They are commonly added to smoothies, puddings, salads, and breakfast bowls. However, health experts caution that despite their benefits, chia seeds may not be suitable for everyone and can cause problems if consumed without care.

Dr Shubham Vatsya, a gastroenterologist and hepatologist at Fortis Hospital, Vasant Kunj, Delhi, recently highlighted several situations where chia seed consumption may be harmful. Sharing clinical observations on Instagram, the doctor explained that certain underlying health conditions can make chia seeds risky rather than beneficial.

Low Blood Pressure and Blood-Thinning Risks

According to Dr Vatsya, individuals who already have low blood pressure, a condition more commonly seen in women, should be cautious. Chia seeds are rich in potassium and omega-3 fatty acids, both of which can further lower blood pressure. In people with chronically low BP, this may worsen symptoms such as dizziness or fatigue.


He also pointed out concerns for people taking blood-thinning medications. Since chia seeds naturally thin the blood, consuming them alongside aspirin or other prescribed blood thinners, or in patients with heart stents, could raise the risk of excessive bleeding. In such cases, chia seeds should not be consumed casually or in large quantities.

Digestive Issues Linked to Poor Hydration

Chia seeds contain a very high amount of dietary fibre, which is generally beneficial for digestion. However, Dr Vatsya explained that if fibre intake is not supported by adequate water consumption, it can backfire. In people who are not well-hydrated, chia seeds may lead to bloating, gas, and constipation—problems that are already associated with dehydration.

This effect occurs because chia seeds absorb liquid and expand. Without enough water in the system, the fibre can become difficult to digest rather than helpful.

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A post shared by Dr. Shubham Vatsya (@dr.shubhamvatsya)

Kidney Stone Risk in Vulnerable Individuals

Another concern raised by the doctor relates to kidney health. Chia seeds are rich in minerals such as potassium, phosphates, and oxalates. In people who are prone to kidney stones, these compounds may increase the risk further, especially if fluid intake is low. Proper hydration becomes even more important for such individuals.

Dr Vatsya advised mindful consumption, recommending no more than one to two tablespoons per day, always taken with sufficient water.

What Makes Chia Seeds Nutritious

According to Harvard Medical School, chia seeds are packed with fibre, protein, omega-3 fatty acids, and antioxidants. They have been part of human diets for thousands of years and were a staple food among the Aztecs and Mayans. When consumed correctly, chia seeds may help support heart health, digestion, weight management, blood sugar control, and inflammation reduction.

Their omega-3 content, particularly alpha-linolenic acid, has been linked to lower heart disease risk. The fibre content helps improve cholesterol levels and supports bowel health, while antioxidants protect cells from damage caused by free radicals.

Safe Ways to Include Chia Seeds in Your Diet

Chia seeds can be easily added to foods like yogurt, oatmeal, cereals, soups, and smoothies. They are also commonly used to make chia pudding by soaking them in milk or plant-based alternatives until they develop a gel-like texture. Because they have a mild taste, they blend well with most dishes.

However, experts stress that moderation, hydration, and awareness of existing health conditions are key. What works as a health booster for one person may pose risks for another.