EE: Caffeine and Other Stimulants (2014)
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Assessment
How long should a healthy and non-critically ill individual refrain from consuming caffeine or other stimulants prior to an RMR measurement?
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Conclusion
Based on the evidence reviewed, caffeine and other selected stimulants increase RMR for at least four hours in healthy adults. The duration of an increased RMR after ingestion of caffeine or other stimulants is unknown. Research identifying the duration of elevated RMR after ingestion of caffeine and other stimulants is needed.
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Grade: III
- Grade I means there is Good/Strong evidence supporting the statement;
- Grade II is Fair;
- Grade III is Limited/Weak;
- Grade IV is Expert Opinion Only;
- Grade V is Not Assignable.
- High (A) means we are very confident that the true effect lies close to that of the estimate of the effect;
- Moderate (B) means we are moderately confident in the effect estimate;
- Low (C) means our confidence in the effect estimate is limited;
- Very Low (D) means we have very little confidence in the effect estimate.
- Ungraded means a grade is not assignable.
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Evidence Summary: How long should a healthy and non-critically ill individual refrain from consuming caffeine or other stimulants prior to an RMR measurement?
- Detail
- Quality Rating Summary
For a summary of the Quality Rating results, click here.
- Worksheets
- Belza A, Frandsen E, Kondrup J. Body fat loss achieved by stimulation of thermogenesis by a combination of bioactive food ingredients: A placebo-controlled, double-blind eight-week intervention in obese subjects. Int J Obes (Lond). 2007; 31(1): 121-130.
- Belza A, Toubro S, Astrup A. The effect of caffeine, green tea and tyrosine on thermogenesis and energy intake. Eur J Clin Nutr. 2009; 63(1): 57-64.
- Greenway FL, De Jonge L, Blanchard D, Frisard M, Smith SR. Effect of a dietary herbal supplement containing caffeine and ephedra on weight, metabolic rate, and body composition. Obes Res. 2004; 12(7): 1,152-1,127.
- Komatsu T, Nakamori M, Komatsu K, Hosoda K, Okamura M, Toyama K, Ishikura Y, Sakai T, Kunii D, Yamamoto S. Oolong tea increases energy metabolism in Japanese females. J Med Invest. 2003; 50(3-4): 170-175.
- Detail
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Search Plan and Results: EE: Caffeine and Stimulants in Healthy and Non-Critically Ill Individuals 2012
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Conclusion