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Welcome to Calwood Nutritionals,

...nutrition rooted in science.

Most doctors remain uninformed!
You can do something about your kidney problem!
Diet is the answer and we can help!



Regarding the FDA's warning letter: Calwood Nutritionals is working with the FDA in order to better educate them on our products. Please click here to view our response to their letter.


Calwood Nutritionals is your only source for great tasting aminos acids!


Your doctor may have told you that you have kidney disease and you just have to wait until you go on dialysis and then get a transplant. "It's the American way."


Doctors around the world have solved this problem by use of a special diet (1), but doctors in the United States prefer dialysis. Please feel free to use our site to inform yourself!


Delay dialysis and improve your health!


A low protein diet and a balanced formula of essential amino acids at each meal to provide proper protein nutrtition has been shown to delay the time to dialysis (2,3) and even reverse some kidney problems when treatment was started early (4). These studies also showed that the diet was as effective in people with diabetes as in those without it, a key finding as diabetes increases the risk of kidney failure significantly (2).



Coping with Kidney Disease: A 12-Step Treatment Program to Help You Avoid Dialysis - by Dr. Mackenzie Walser



If you have kidney disease you need this book. Click here for additional information on the book. The balanced formula of essential amino acids Dr. Walser talks about in his book are available for sale, in the order section of our website. Click here to browse these products.



An interview about kidney failure (from Dr. Walser's book):
Harry Lee, a 74 year old diabetic with hypertension who had been decreasing in GFR, showed me a graph of his GFR. His endocrinologist sent Harry to Dr. Mackenzie Walser at The Johns Hopkins University. His GFR was on a steady decline and Mr. Lee wanted to do something to avoid dialysis. Dr. Walser put Mr. Lee on a low protein diet with a balanced formula of essential amino acids and adjusted his medications. Mr. Lee proudly pointed out that his GFR has not declined in the 2 years he had been on the diet.


Mr. Lee told me that he didn't watch his diet as well at first, but his bride of over 50 years told me that they are very careful now. He eats his balanced formula of essential amino acids on his canned pears or peaches for dessert with his meals. He likes it in orange juice where he says, "it mixes really well."

"Everyone ought to know about this diet" said Mr. Lee, "It's mainly a lot of salads, but I like it very well."

"He's very careful to take his amino acids," said Mrs. Lee.






1. Aparicio, Michel et al. Protein-Restricted Diets Plus Keto/Amino Acids - A Valid Therapeutic Approach for Chronic Kidney Disease Patients. Journal of Renal Nutrition 2012, Volume 22, Issue 2, S1-S21


2. Walser M, Hill S Can renal replacement be deferred by a supplemented very low protein diet? J Am Soc Nephrol 1999 Jan;10(1):1106


3.Treatment of chronic uremic patients with protein-poor diet and oral supply of essential amino acids. Clinical results of long-term treatment. (Noree LO / Bergstrom J) Clin Nephrol 1975;3(5):195-203

4. Walser M, Hill S, Tomalis EA Treatment of nephrotic adults with a supplemented, very lowprotein diet. Am J Kidney Dis 1996 Sep;28(3):35464


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