Meal replacement

Meal replacements often come in liquid form, but there also are meals and powdered drinks such as Soylent.

A meal replacement is a drink, bar, soup, etc. intended as a substitute for a solid food, usually with controlled quantities of calories and nutrients. Some drinks come in powdered form or pre-mixed health shakes that can be cheaper than solid foods with identical health qualities. Medically prescribed meal replacement drinks include the body's necessary vitamins and minerals.[1] Bodybuilders sometimes use meal replacements, not formulated for weight loss, to save food preparation time when eating 5-6 meals a day.[2]

In the European Union, weight-reduction meal replacements intended to either supplement ("Meal replacement for weight control") or totally replace ("Total diet replacement for weight control") normal meals are regulated as to their energy content, the nutrients they must provide, and information and advice on packaging by EU Directive 96/8/EC of 26 February 1996 on foods intended for use in energy-restricted diets for weight reduction.[3] For example, a meal replacement must provide the minimum specified amounts of various vitamins and minerals and contain between 200 and 400 food calories of energy, of which no more than 30% can be from fat. Labeling information is prescribed, and packaging must provide a statement that the product should not be used for more than three weeks without medical advice in order to protect users from inadvertent malnutrition.

In the United States, the term "meal replacement" is not defined in federal Food and Drug Administration regulations but generally refers to a calorie-controlled, prepackaged product in the form of a bar or beverage (ready-to-drink or powder), that is meant to replace a higher calorie meal. Meal replacement products are usually fortified with more than 20 vitamins and minerals at "good" or "excellent" source levels. Meal replacement products can be regulated as conventional or functional foods.[4] In Canada, meal replacements are regulated by the Canadian Food Inspection Agency and must meet minimum calorie, protein and vitamin requirements, causing some American products to be rejected.[5][6]

Regulations

EU

In the EU countries, meal replacements are divided into two categories: food supplements for weight control and preparations that completely replace conventional food for the same purpose. The nutrients that make up the mixtures are regulated by Directive 96/8/EC of February 26, 1996, "About food products intended for use in low-calorie diets to reduce weight".[3]

United States

In the US, the concept of "meal replacement" is not defined by the rules of the Food and Drug Administration. As a rule, this concept refers to controlled-calorie foods marketed as bars, beverages or powders. Meal replacements usually contain from 200 to 250 calories per serving with the addition of 20 or more vitamins and minerals and low fat and sugar.[7]

Canada

In Canada, food substitutes are governed by Canadian food inspection standards and must meet minimum calorie, protein, and vitamin requirements.[8] Therefore, some American products are not allowed to be sold in Canada.[9] The popular American meal replacement brand Soylent was blocked in Canada in 2017 after selling the product there for two years.[10] In 2020, Soylent became available in Canada once more.[11]

Asia

Meal replacements are not strictly regulated in Asia. However, some countries like Singapore, Hong Kong and Malaysia are stringent on claims meal replacement companies make, relating to health benefits and weight loss.[12] Meal replacements have not gained as much popularity as in the USA or Europe, they are largely still only used for clinical cases. Despite this, there have been local start-ups focusing solely on meal replacements. Popular Asian brands include Base Foods (Japan) and Sustenance (Singapore) [13]

Effectiveness

There is some evidence that the meal replacement diet is effective for weight loss of obese individuals. Lean body mass is better preserved than with very-low-calorie diets, a related kind of diet but unregulated and potentially with unbalanced and insufficient nutrients formulations.[14][15]

Meal replacements can be used to treat diabetes by maintaining weight loss. According to the American Diabetes Association (ADA), meal replacement products can be used once or twice a day, in lieu of regular meals, to maintain weight loss for individuals with diabetes. However, that weight loss can only be maintained as long as the individual keeps up with the meal replacement plan.[16]

The effects of meal replacements on weight loss for individuals with mental illness, such as schizophrenia, schizoaffective disorder, bipolar disorder, are inconclusive.[17]

Environmental impact

A shift from animal-based foods to more sustainable plant-based foods and meal replacement products can reduce greenhouse gas emissions, land use, and water use.[18]

Meal replacements have been a regular feature of science fiction, especially the space travel genre, at least since the film Santa Claus Conquers the Martians (1964) and TV's Lost in Space (1965).

See also

References

  1. ↑ Drink Yourself Skinny, Men's Health, archived from the original on 2009-12-13
  2. ↑ Meal Replacement Guide, Bodybuilding For You
  3. 1 2 "EC Directive 96/8/EC on foods intended for use in energy-restricted diets for weight reduction".
  4. ↑ "Regulatory Issues: Meal Replacements – Convenience or Compromise?". Food Processing. Archived from the original on 2013-08-15. Retrieved 2013-05-31.
  5. ↑ Axon, Samuel (23 October 2017). "Canadian regulators have blocked Soylent, producers say". Ars Technica. Archived from the original on 3 February 2018. Retrieved 24 October 2017.
  6. ↑ "Meal Replacements". Canadian Food Inspection Agency. 2014-02-28. Retrieved 24 October 2017.
  7. ↑ "Regulatory Issues: Meal Replacements – Convenience or Compromise?". Food Processing. Archived from the original on 2013-08-15. Retrieved 2013-05-31.
  8. ↑ Benhoff, Nick. "Protein Shake vs Meal Replacement: What's the Difference?".{{cite web}}: CS1 maint: url-status (link)
  9. ↑ "Meal Replacements". Canadian Food Inspection Agency. 2014-02-28. Retrieved 24 October 2017.
  10. ↑ Axon, Samuel (23 October 2017). "Canadian regulators have blocked Soylent, producers say". Ars Technica. Archived from the original on 3 February 2018. Retrieved 24 October 2017.
  11. ↑ "Meal Replacement Startup Soylent Returns To Canada For First Time Since 2017". forbes.com. 13 April 2020. Retrieved 5 May 2020.
  12. ↑ "Regulatory overview of health supplements". HSA.
  13. ↑ https://www.lifestyleasia.com/sg/beauty-grooming/wellness/meal-replacement-shakes/
  14. ↑ Thom, G; Lean, M (May 2017). "Is There an Optimal Diet for Weight Management and Metabolic Health?" (PDF). Gastroenterology (Review). 152 (7): 1739–1751. doi:10.1053/j.gastro.2017.01.056. PMID 28214525.
  15. ↑ Heymsfield, SB; van Mierlo, CA; van der Knaap, HC; Heo, M; Frier, HI (May 2003). "Weight management using a meal replacement strategy: meta and pooling analysis from six studies". International Journal of Obesity and Related Metabolic Disorders. 27 (5): 537–49. doi:10.1038/sj.ijo.0802258. PMID 12704397.
  16. ↑ Craig, J. (15 August 2013). "Meal Replacement Shakes and Nutrition Bars: Do They Help Individuals With Diabetes Lose Weight?". Diabetes Spectrum. 26 (3): 179–182. doi:10.2337/diaspect.26.3.179.
  17. ↑ Gelberg, Hollie A.; Kwan, Crystal L.; Mena, Shirley J.; Erickson, Zachary D.; Baker, Matthew R.; Chamberlin, Valery; Nguyen, Charles; Rosen, Jennifer A.; Shah, Chandresh; Ames, Donna (December 2015). "Meal replacements as a weight loss tool in a population with severe mental illness". Eating Behaviors. 19: 61–64. doi:10.1016/j.eatbeh.2015.06.009. PMID 26172565.
  18. ↑ Aleksandrowicz, Lukasz; Green, Rosemary; Joy, Edward J. M.; Smith, Pete; Haines, Andy (2016-11-03). "The Impacts of Dietary Change on Greenhouse Gas Emissions, Land Use, Water Use, and Health: A Systematic Review". PLOS ONE. 11 (11): e0165797. Bibcode:2016PLoSO..1165797A. doi:10.1371/journal.pone.0165797. ISSN 1932-6203. PMC 5094759. PMID 27812156.
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