Have you heard that high protein diets aren’t safe? This is a myth.
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Have you heard that high protein diets aren’t safe?
This is a myth. Scientific research clearly shows that people on a higher protein, low fat diet show no adverse effects on:
- Bowel health
- Renal health
- Bone health
Bowel health
Weight loss itself may be more important for cancer prevention and reducing bowel cancer risk than type of diet or specific foods. A recent CSIRO study found no major differences between a higher protein, low fat diet or a high carbohydrate, low fat diet on bowel health markers with both showing protective effects due to weight loss and the high fibre content of both diets.1
Renal health
Studies looking at the effect of dietary protein on kidney function have not found any problems in either people with normal or mildly impaired renal function. 2,3
Bone health
Although some loss in bone density is to be expected with significant weight reduction, one study found a lower rate of decrease on a higher protein diet.4
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References
1. Noakes M at al, (2007): “Bowel, renal and bone health markers during weight loss on a high protein high red meat diet compared to an isocaloric high carbohydrate diet in overweight/obese men at 1 year.”Asia Pacific Journal of Clinical Nutrition; 16 (3): S46.
2. Knight EL at al, (2003): “The impact of protein intake on renal function decline in women with normal renal function or mild renal insufficiency.” Annals of Internal Medicine; 138: 460-67.
3. Skov AR at al, (1999): “Changes in renal function during weight loss induced by a high vs low-protein, low-fat diets in overweight subjects.” International Journal of Obesity and Related Metabolic Disorders; 23: 1170-7
4. Skov AR at al, (2002): “Effect of bone mineralisation during weight loss: a 6-month trial.” Obes Res; 10(6): 432-8.