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NutraBio Unbound Series GDA
This is not your everyday GDA. It's for those looking to maximize their lives and use every gram of carbs. No carbs left behind.
NutraBio Unbound GDA Supplement Facts

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Kelly Williams (United States) Excellent ingredients for the cost and a shift in feeling when you take it with a high carb meal to be less lethargic.
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Kort (United States) As far as glucose management supplements go, this formulation uses some of the best components out there, Patented / registered ingredients which are dosed appropriately. Objectively, I feel like this helps prevent fat storage while allowing more carb intake for energy and recovery.
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Joe (United States) Very Potent! Great product!
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Mike Aperges (United States) I take this pre and post workout with my carb supplement, aminos, and creatine. The pumps are crazy and muscles stay full
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nic bedi (United States) amazing service
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Hank SLYN GDA
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John T (United States) I’ve been through a bottle so far and the 6 capsule dose has been great. I split it up between breakfast and lunch and don’t find myself in a post-meal lull or feel exhausted after eating a lot of carbs. It’s on par with Morphogens previous formula for Morphoprime and Chemix GDA. Love all Nutrabio and it’s subbrands. Worth a shot for someone looking at trying a well rounded product at a good price.
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Will Brandon (United States) I've only tried a few different GDA products, but SLYN is the only one I've bought twice. Large carb heavy meals end up only feeling like you've just eaten a salad and you can actually continue your day/night comfortably.
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Dan V (United States) Loaded formula. Unbound/NB always gives the good stuff. Probably a little too specialized for a rec lifter, but if you have your diet dialed in and looking for those last percentages of gain and mitigate the effects when you go off-diet on occasion, then check this out.