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Customers who bought this item also bought. Consumers who are seeking to lose weight with this product will generally be placed on a lower calorie diet than the standard calorie diet and should remember to adjust these values to their specified daily caloric intake. It does seem to give me a bit of a boost that lasts about an hour or so. Views Read Edit View history. Unsourced or poorly sourced material may be challenged and removed. This section does not cite any sources.
What are GNC Lean Shakes?
They found no difference in appetite between groups (8). Overall, I looked at 4 more studies. Two of them showed weight loss of a few pounds over a period of 8 weeks (9, 10), but the other two showed no effect (11, 12).