What are the potential downsides of matcha consumption?
Written by
David Nelson
Reviewed by
Prof. William Dalton, Ph.D.While matcha has numerous health benefits, being aware of its potential shortcomings can keep you safe. Beyond two teaspoons per day (approximately), the liver can become taxed since matcha is particularly high in micronutrients. Tannins, if taken in excess, may inhibit iron absorption leading to deficiencies. Additionally, some people may experience irritability from caffeine even in moderate amounts.
Liver Impact
- EGCG concentration may stress liver enzymes
- Risk increases beyond 2 teaspoons daily
- Symptoms include fatigue and abdominal discomfort
Nutrient Absorption
- Tannins bind iron reducing bioavailability
- Consume with vitamin C to mitigate effects
- Avoid drinking near meals if iron-deficient
Hormonal Effects
- Extreme doses may disrupt thyroid function
- Compounds affect iodine utilization
- Those with thyroid conditions need caution
Sensitivity to caffeine varies among people; moderate amounts of matcha can cause jittery feelings or lack of sleep in sensitive individuals. Start with a half-teaspoon dose to determine your tolerance. Those with anxiety disorders should take care when using matcha. Roasted barley tea is an alternative.
Effects of matcha on thyroid health can vary by individual conditions. Its constituent catechin compounds may inhibit the absorption of iodine at extreme dosages. Those with hypothyroidism should consult their endocrinologist before using it regularly. Blood tests may be used to monitor TSH levels throughout the treatment.
Always check in with your healthcare provider before adding matcha into your regimen if you have chronic health issues. Inform them of the quantity and frequency of your planned intake. They can recommend personalized variations based on your health profile. This avoids possible interactions.
Pregnant or nursing women need medical guidance regarding matcha. Caffeine crosses the placenta while antioxidants help the fetus develop. Most authorities limit caffeine consumption to 200mg daily during pregnancy. A level teaspoonful of matcha contains about 70mg, pre-measured.
Read the full article: 10 Proven Matcha Health Benefits Revealed
