Generally, it's best to avoid eating guava and watermelon together.
Here's why:
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Different Digestion Rates: Watermelon digests much faster than guava. When you eat fruits with varying digestion speeds together, the slower-digesting fruit (guava, in this case) can cause the faster-digesting fruit (watermelon) to ferment in your stomach.
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Potential Digestive Issues: This fermentation can lead to gas, bloating, and other digestive discomfort.
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General Fruit Combining Principles: Many dietary approaches recommend avoiding combining melons (watermelon, cantaloupe, honeydew) with other fruits due to their high water content and rapid digestion.
In conclusion, while it might not be harmful to everyone, combining guava and watermelon could lead to digestive discomfort for some people. It's generally recommended to eat melons separately from other fruits.
