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The Best Waxy Maize Powders

Our picks for the best waxy maize starch powders, plus the modified starches and cyclic dextrin worth considering for endurance training.

Updated November 3, 2026

Plain waxy maize is a single-ingredient product, so the differences between brands come down to purity, testing, price per serving and availability. We also include two products made from waxy maize that behave differently and suit endurance athletes better.

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Quick picks

PickBest for
Myprotein 100% Waxy Maize StarchBest overall value
NOW Sports Waxy MaizeMost trusted brand
True Nutrition Waxy Maize (Amylocel)Custom recovery blends
UCAN SuperStarchSteady energy for endurance
Transparent Labs Cyclic DextrinDrinking during training

Plain waxy maize starch

Top pickPure waxy maize starch

Myprotein 100% Waxy Maize Starch

Single-ingredient, unflavored waxy maize from one of the biggest sports nutrition brands. Mixes into shakes with almost no taste and comes in several bag sizes.

  • One ingredient, nothing added
  • Vegan and gluten-friendly
  • Low cost per serving
  • Stock in the US comes and goes
Most trusted brandPure waxy maize starch

NOW Sports Waxy Maize Powder

Non-GMO waxy maize from NOW Foods, typically around 90% amylopectin. Widely stocked and easy to find at iHerb.

  • Non-GMO corn
  • Long-established brand
  • Large 5.5 lb tub
  • Bigger upfront purchase
Best for custom blendsPure waxy maize starch

True Nutrition Waxy Maize Starch (Amylocel)

Sold by the pound and third-party tested. Good if you build your own recovery formula with True Nutrition's custom protein blends.

  • Third-party tested
  • Buy small amounts to try it
  • Pairs with custom protein blends
  • Smaller bags cost more per serving
Big serving sizePure waxy maize starch

Ultimate Nutrition Waxy Maize

45 g of waxy maize per serving with no added sugar or flavor. Aimed at lifters who want an easy carb top-up.

  • 45 g carbs per scoop
  • Made in the USA
  • Fewer reviews than the big names

Made from waxy maize, built for endurance

Best for enduranceHydrothermally modified waxy maize

UCAN SuperStarch

A heat-and-moisture treated waxy maize starch built to release glucose slowly. Popular with runners and cyclists who want steady energy before long sessions.

  • Very slow, steady glucose release
  • Most researched modified starch
  • Flavored and plain options
  • Some athletes report stomach upset when used during exercise
  • Pricier than plain waxy maize
Best intra-workout alternativeHighly branched cyclic dextrin (made from waxy maize amylopectin)

Transparent Labs Cyclic Dextrin

Cluster Dextrin is made from waxy maize amylopectin using an enzyme process. It's the option to look at if you want the fast-emptying, low-osmolality carb that waxy maize is often wrongly marketed as.

  • Patented Cluster Dextrin ingredient
  • Built for drinking during training
  • Much higher cost per gram of carbs

Track your results

Want to see how your diet and training show up in your bloodwork? At-home testing makes it easy to track metabolic and heart markers over time.

Track your markersAt-home lab testing subscription

Rythm Health At-Home Blood Testing

Collect a blood sample at home in a few minutes and get results within days. The subscription tracks hormones, cardiovascular markers and metabolic health over time.

  • Test at home, no clinic visit
  • Tracks metabolic, heart and hormone markers
  • Trends over time with a subscription
  • Monthly subscription cost
  • Not a substitute for care from your doctor

How we choose

Buying tips

New to waxy maize? Read what it is and how to use it first.