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GKB Z-Well is traditionally used for relieving dizziness, sweating, sleeping difficulty and to relieve tired eyes. It provides a synergistic 4-in-1 formula to help people suffering from the sleeping problem.
With patented liquid culture technology, Taiwan Grape King Bio (GKB) is able to produce mycelium supplements with high medicinal value.
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This product also featured on Astro TV online shopping channel.
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