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Green tea catechin plus caffeine supplementation to a high-protein diet has no additional effect on body weight maintenance after weight loss.
Am J Clin Nutr. 2009 Mar; 89(3):822-30.AJ

Abstract

BACKGROUND

Green tea (epigallocatechin gallate + caffeine) and protein each were shown to improve body weight maintenance after weight loss.

OBJECTIVE

We investigated the effect of a green tea-caffeine mixture added to a high-protein (HP) diet on weight maintenance (WM) after body weight loss in moderately obese subjects.

DESIGN

A randomized, placebo-controlled, double-blind parallel trial was conducted in 80 overweight and moderately obese subjects [age (mean +/- SD): 44 +/- 2 y; body mass index (BMI; in kg/m(2)): 29.6 +/- 2.0] matched for sex, age, BMI, height, body mass, and with a habitually low caffeine intake. A very-low-energy diet intervention during 4 wk was followed by 3 mo of WM; during the WM period, the subjects received a green tea-caffeine mixture (270 mg epigallocatechin gallate + 150 mg caffeine/d) or placebo, both in addition to an adequate protein (AP) diet (50-60 g protein/d) or an HP diet (100-120 g protein/d).

RESULTS

Subjects lost 7.0 +/- 1.6 kg, or 8.2 +/- 2.0%, body weight (P < 0.001). During the WM phase, WM, resting energy expenditure, and fat-free mass (FFM) increased relatively in both the HP groups and in the AP + green tea-caffeine mixture group (P < 0.05), whereas respiratory quotient and body fat mass decreased, all compared with the AP + placebo group. Satiety increased only in both HP groups (P < 0.05). The green tea-caffeine mixture was only effective with the AP diet.

CONCLUSION

The green tea-caffeine mixture, as well as the HP diet, improved WM independently through thermogenesis, fat oxidation, sparing FFM, and, for the HP diet, satiety; a possible synergistic effect failed to appear.

Authors+Show Affiliations

Maastricht University, Maastricht, The Netherlands. rick.hursel@hb.unimaas.nlNo affiliation info available

Pub Type(s)

Journal Article
Randomized Controlled Trial
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

19176733

Citation

Hursel, Rick, and Margriet S. Westerterp-Plantenga. "Green Tea Catechin Plus Caffeine Supplementation to a High-protein Diet Has No Additional Effect On Body Weight Maintenance After Weight Loss." The American Journal of Clinical Nutrition, vol. 89, no. 3, 2009, pp. 822-30.
Hursel R, Westerterp-Plantenga MS. Green tea catechin plus caffeine supplementation to a high-protein diet has no additional effect on body weight maintenance after weight loss. Am J Clin Nutr. 2009;89(3):822-30.
Hursel, R., & Westerterp-Plantenga, M. S. (2009). Green tea catechin plus caffeine supplementation to a high-protein diet has no additional effect on body weight maintenance after weight loss. The American Journal of Clinical Nutrition, 89(3), 822-30. https://doi.org/10.3945/ajcn.2008.27043
Hursel R, Westerterp-Plantenga MS. Green Tea Catechin Plus Caffeine Supplementation to a High-protein Diet Has No Additional Effect On Body Weight Maintenance After Weight Loss. Am J Clin Nutr. 2009;89(3):822-30. PubMed PMID: 19176733.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Green tea catechin plus caffeine supplementation to a high-protein diet has no additional effect on body weight maintenance after weight loss. AU - Hursel,Rick, AU - Westerterp-Plantenga,Margriet S, Y1 - 2009/01/28/ PY - 2009/1/30/entrez PY - 2009/1/30/pubmed PY - 2009/3/19/medline SP - 822 EP - 30 JF - The American journal of clinical nutrition JO - Am J Clin Nutr VL - 89 IS - 3 N2 - BACKGROUND: Green tea (epigallocatechin gallate + caffeine) and protein each were shown to improve body weight maintenance after weight loss. OBJECTIVE: We investigated the effect of a green tea-caffeine mixture added to a high-protein (HP) diet on weight maintenance (WM) after body weight loss in moderately obese subjects. DESIGN: A randomized, placebo-controlled, double-blind parallel trial was conducted in 80 overweight and moderately obese subjects [age (mean +/- SD): 44 +/- 2 y; body mass index (BMI; in kg/m(2)): 29.6 +/- 2.0] matched for sex, age, BMI, height, body mass, and with a habitually low caffeine intake. A very-low-energy diet intervention during 4 wk was followed by 3 mo of WM; during the WM period, the subjects received a green tea-caffeine mixture (270 mg epigallocatechin gallate + 150 mg caffeine/d) or placebo, both in addition to an adequate protein (AP) diet (50-60 g protein/d) or an HP diet (100-120 g protein/d). RESULTS: Subjects lost 7.0 +/- 1.6 kg, or 8.2 +/- 2.0%, body weight (P < 0.001). During the WM phase, WM, resting energy expenditure, and fat-free mass (FFM) increased relatively in both the HP groups and in the AP + green tea-caffeine mixture group (P < 0.05), whereas respiratory quotient and body fat mass decreased, all compared with the AP + placebo group. Satiety increased only in both HP groups (P < 0.05). The green tea-caffeine mixture was only effective with the AP diet. CONCLUSION: The green tea-caffeine mixture, as well as the HP diet, improved WM independently through thermogenesis, fat oxidation, sparing FFM, and, for the HP diet, satiety; a possible synergistic effect failed to appear. SN - 1938-3207 UR - https://www.unboundmedicine.com/medline/citation/19176733/Green_tea_catechin_plus_caffeine_supplementation_to_a_high_protein_diet_has_no_additional_effect_on_body_weight_maintenance_after_weight_loss_ L2 - https://academic.oup.com/ajcn/article-lookup/doi/10.3945/ajcn.2008.27043 DB - PRIME DP - Unbound Medicine ER -