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Preliminary Assessment of a Raspberry Ketone Supplement as a Weight‐Loss Aid
Author(s) -
Carbone John W,
Braun Ethan M,
Kraker Keith A,
Percy Sarah A,
Fassezke Brianna L,
Briolat Katelyn N
Publication year - 2016
Publication title -
the faseb journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.709
H-Index - 277
eISSN - 1530-6860
pISSN - 0892-6638
DOI - 10.1096/fasebj.30.1_supplement.1165.1
Subject(s) - weight loss , respiratory quotient , resting energy expenditure , medicine , zoology , body weight , energy expenditure , gerontology , physical therapy , obesity , biology
Raspberry Ketone (RK) supplements have received significant amounts of media and lay press attention as potential weight loss aids, despite a lack of published human studies evaluating their efficacy. Experimental trials are needed to determine whether the promising results observed in tissue culture and animal studies, specifically increased fat mobilization and oxidation, are translatable to humans. In the current pilot study, 5 obese (34.9 ± 3.0 kg/m 2 ) young adult (20.4 ± 0.9 years) volunteers (4 women, 1 man) consumed 200mg RK daily for 6 weeks. Volunteers were instructed to maintain baseline eating and exercise patterns, confirmed by diet recalls and activity records. Body weight (BW), percent body fat (%BF), resting energy expenditure (REE), and respiratory quotient (RQ) were measured at baseline and study end. Mean BW was virtually unchanged (−0.1 ± 0.3kg) and %BF was constant (0.0 ± 0.1%). Mean REE increased slightly (156 ± 47kcal/d), but not significantly, while mean RQ remained near‐constant (+0.01 ± 0.01). The results of this pilot study suggest that RK supplementation is not an effective weight loss aid. Support or Funding Information Supported by the Eastern Michigan University Undergraduate Research Stimulus Program