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How Much Protein is Too Much?

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The Recommended Daily Allowance (RDA) for protein was established in the early 1940s and has been officially sanctioned ever since. The RDA is NOT a minimum requirement (minimum requirement is 5-6% total diet calories).

RDA for protein is 0.8 grams protein per kilogram/body weight– 

(8 to-10% of total diet calories)

It is the average requirement that has already been adjusted upwards. We do not need protein in excess of the RDA. Protein deficiency does not exist without calorie deficiency.

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Protein in plant-foods

As demonstrated by the chart below, 8-10% protein diet is easily provided by a whole-food, plant-based diet. There are many plant-based protein sources.

How Much Protein is Too Much. Chart of protein in plants

Nutrition expert, Jeff Novick, has even more extensive charts on protein that can be found HERE.

Calculating how much protein you need on average (not minimum):

Ideal Body Weight/ Not Necessarily Current Body Weight (BW) x .37

Examples:

Body Weight of 132 lbs. x .37 = 48 grams, average

Body Weight of 150 lbs. x .37 = 56 grams, average

Body Weight of 180 lbs. x .37 = 66 grams, average

How Much Protein is Too Much. Body mass index to determine weight

How Much Protein is Too Much

According to Dr. Colin Campbell, author of The China Study, as long as you are consuming enough calories on a plant-based diet, you are getting more than enough protein.

“A whole food plant based (WFPB) diet, with no added oil, can easily provide 10-12% total protein, which meets the long established recommended daily allowance (RDA) of 9-10% protein.

The continued use of an upper ‘safe’ level of 35% protein of total, daily dietary calories in my view is grossly unscientific and completely irresponsible.”--Dr. Colin Campbell

*Note: Plant protein does NOT affect the body in the same ways (listed in the above quote) as animal protein.

“Excess animal protein not only raises cholesterol, but also leeches calcium from our bones (resulting osteoporosis and bone fractures), inflames arteries, puts a tremendous burden on kidneys and liver (resulting in kidney stones and gallstones), and ignites tumors and cancer.”–Rip Esselstyn, of the book Engine 2 Diet, during an interview with University of California, Davis Integrative Medicine Program

Dr. Colin Campbell’s Recommendations for Dietary Guidelines article.

The Great Protein Fiasco

This short video discusses the history of the RDA and recommended protein requirements.

Film Review of The Game Changers. This is a powerful new documentary about meat, protein, and strength that attempts to dispel the myth that real men eat meat.

Sources:

Building Bone Vitality, Amy Joy Lanou, PhD

Remer, T. and F. Manz, “Potential Renal Acid Loads of Foods and It’s Influence on Urine pH Journal of Academy of Nutrition and Dietetics.

T. Colin Campbell Center for Nutrition Studies, Nutritional Fundamentals

Neal Barnard, MD, Cancer Survivors’ Guide

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How Much Protein is Too Much
Easy calculation for daily protein needs included.

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