Low Carb Diet – Health & Weight Loss (Publication)

Note: This is not a blog post encouraging people to start eating meat or to increase meat consumption. The idea is to make readers aware that consumption of more than normal levels of fat (poly unsaturated and saturated) while reducing carbohydrate intake (by omitting grains from the diet) is not detrimental to health. If you have any health concerns do consult your physician before making a diet/lifestyle change.

Effects of low carbohydrate diets high in red meats or poultry, fish and shellfish on plasma lipids and weight loss.

Bridget A Cassady,1 Nicole L Charboneau,1 Emily E Brys,1 Kristin A Crouse,1 Donald C Beitz,2 and Ted Wilsoncorresponding author1

1Department of Biology, Winona State University, Winona, MN, USA; 2Department of Animal Science, Iowa State University, Ames, IA, USA.

Abstract

Background

Low carbohydrate diets (LCDs) have been demonstrated to be effective tools for promoting weight loss and an improved plasma lipid profile. Such diets are often associated with increased meat consumption, either poultry, fish, and shellfish (PFS), which are generally high in polyunsaturated fat (PUFA) or red meats (RM), generally high in saturated fat (SFA). The fatty acid profile and content of a diet may influence the plasma lipid profile of humans. This study examined whether the type of meat consumed could influence the outcome of an LCD.

Methods

Moderately obese subjects consumed two different LCDs as part of a weight loss regimen: 1) a diet high in foods of mammalian origin (RM) intended to contain more SFA, or 2) a diet high in PFS intended to contain more PUFA. Diet dependent changes in body weight, nutritional intake, and plasma lipids were evaluated during a 28 day study period.

Results

Both diets were associated with significant weight loss after 28 days, -5.26 ± 0.84 kg and -5.74 ± 0.63 kg for RM and PFS groups, respectively. The PFS diet was associated with a significantly higher intake of PUFA and cholesterol. Despite high cholesterol and fat intakes, neither diet was associated with significant changes in plasma cholesterol or the plasma lipoprotein cholesterol profile. While plasma triglycerides were reduced in both groups, the effect was only statistically significant for the PFS diet.

Link – http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2174488/?tool=pmcentrez&report=abstract

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