# Macronutrient preload

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**Macronutrient preload** is a [dieting](/source/Dieting) technique in which a small amount of [macronutrients](/source/Macronutrient) are eaten at a fixed interval before a meal.[citation needed]

Fibers in a preload stimulate a feeling of fullness in the stomach. The [glucomannan](/source/Glucomannan) fiber preload is approved for weight control by [European Food Safety Authority](/source/European_Food_Safety_Authority)[1] The preload should also have a low [glycemic index](/source/Glycemic_index) and contain few calories.

## References

1. EFSA Panel on Dietetic Products, Nutrition and Allergies (NDA) (2010). "Scientific Opinion on the substantiation of health claims related to konjac mannan (glucomannan) and reduction of body weight, reduction of post-prandial glycaemic responses, maintenance of normal blood glucose concentrations, maintenance of normal (fasting) blood concentrations of triglycerides, maintenance of normal blood cholesterol concentrations, maintenance of normal bowel function and decreasing potentially pathogenic gastro-intestinal microorganisms pursuant to Article 13(1) of Regulation (EC) No 1924/2006". *EFSA Journal*. **8** (10): 1798. [doi:10.2903/j.efsa.2010.1798](https://doi.org/10.2903/j.efsa.2010.1798)

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