He also suggests they take a long list of supplements and drink water with PGX, a form of fiber that expands in the stomach, before every meal.
他还建议读者在每顿餐前进食许多补剂、并喝点含有PGX的水，PG X是一种能在胃里膨胀的纤维。
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Figure 3 is the internal structure of PGX model, and the filter is developed by Wenzhou Dongou Micro-Filtration Ltd. Company, which has achieved the national patent.