The recommended dose for omega-3s ranges from 1 to 6 grams per day. Excess intake may lead to blood-thinning and vitamin A toxicity.
Tuna is regarded as a healthy choice, but excess consumption is linked to developmental delays in children, vision impairment, and difficulties with hearing and speech due to the presence of methylmercury.
This flavourful spice offers potential health benefits but contains coumarin, which can cause liver toxicity and cancer when taken in high doses. The safe daily intake of coumarin is 0.1 mg per kg of body weight.
More than 10 grams of nutmeg can cause seizures, heart arrhythmias, nausea, dizziness, pain, and hallucinations. However, in small amounts, it enhances flavour without posing health risks.
Coffee is packed with antioxidants. However, more than 500–600 mg per day may lead to insomnia, nervousness, irritability, stomach cramps, heart palpitations, and muscle tremors.
The liver is considered the most nutritious organ of all. It contains vitamin A and copper; more than a 100-gram serving may lead to vision problems, bone pain, increased fracture risk, nausea, and vomiting.
Nutrient-rich cruciferous vegetables offer numerous health benefits, but excess consumption is linked to thyroid enlargement, weight gain, constipation, dry skin, and low energy levels.