Bret's Soylent: Oat, Wheat. Complete, low price. Tasty!

by hess8
Last updated August 16, 2025 Copy
AmountVolumeIngredient$ / daySource
1pillKirkland Signature Daily Multi$0.05Amazon
5.2gPotassium chloride$0.10Amazon
0.08pillVitamin K$0.01Amazon
2.3gLysine$0.03Amazon
0gWheat protein isolate 80%$0.00Honeyville farms
1.1pillCalcium and vitamin D$0.05Amazon
209gOat Flour Honeyville Farms$0.99Honeyville
0.9gtspXanthan gum (see notes on amount)$0.02Amazon
76ml0.37cupCanola Oil$0.25Walmart
1gSpices, cinnamon, ground$0.02Walmart
46gSugar or sugar+sucralose (see notes)$0.13Amazon
3.1gSalt$0.00Walmart
1.23gCholine Bitartrate$0.05Amazon
91gWheat protein concentrate 75% (vital gluten)$0.65Bulk Foods
Amounts for:
Total Daily Cost:
$2.36Add Ingredients
to Amazon Cart

This lightly cinnamon flavored soylent features wheat and wheat protein concentrate and has 115% of the daily complete protein recommended for the average adult man. The cinnamon is essential to the rounding out the wheat flavor. You can add chocolate.

Celebrating 10 years (2025) of updated recipes! My recipes are some of the top ones listed on this site. Please go to my website diyfoods.org for the latest on:

  • recipes
  • research notes
  • analysis showing complete protein amino acid profiles achieved
  • ingredient links
  • samples
  • instructions for use
  • mixing calculators

After 2025 I will no longer update ingredient purchase links here because with several recipes it's too much work. I will keep the recipes themselves up to date here as long as this site functions. Often the editing tools on this site go down. But at diyfoods.org you can be sure you're getting the latest info.

See all my recipes: Oat-Rice, Oat-Whey, Oat-Wheat, Corn-Oat-Wheat, and High Protein Wheat. They each taste very different and offer complete protein. Samples are available for some. I also developed a simple solid soylent for activities like backpacking and cycling tours.

Background

In 2014 my family used official Soylent (now Complete Foods) versions 1.1 through 1.4 for about 5 months, about 2 meals a day. As an incurable do-it-yourselfer and a scientist, I couldn't help researching nutrition and experimenting with my own recipes which I knew I could make much cheaper than commercial meal replacements. I matched the official Soylent nutrition, and found sources to buy ingredients at low cost by buying in bulk. In Feb 2015 my rice protein recipe was a hit with the family, who said it tasted better than the official product at the time. I developed other recipes, and now rotate between recipes.

Nutrition Facts

Amount Per Day
40% Carb, 21% Protein, 39% Fat
Calories1972
% Daily Values*
130%
Total Carbohydrate195g
103%
Dietary Fiber 28g
95%
Protein102g
95%
Total Fat86g
Saturated Fat8g
Monounsaturated Fat50g
Polyunsaturated Fat27g
265%
Omega-3 Fatty Acids7g
202%
Omega-6 Fatty Acids20g
Cholesterol0mg
Calcium
111%
Vitamin A
117%
Chloride
202%
Vitamin B6
170%
Chromium
100%
Vitamin B12
250%
Copper
212%
Vitamin C
100%
Iodine
100%
Vitamin D
140%
Iron
131%
Vitamin E
250%
Magnesium
106%
Vitamin K
101%
Manganese
471%
Thiamin
247%
Molybdenum
1029%
Riboflavin
148%
Phosphorus
185%
Niacin
145%
Potassium
104%
Folate
142%
Selenium
295%
Pantothenic Acid
208%
Sodium
104%
Biotin
100%
Sulfur
Choline
101%
Zinc
168%
 
* Percent Daily Values are based on "Higher protein macro profile, 38-40-22 carb/fat/protein, other U.S. government DRI male 19-50, Aug 2015". You may use the Nutrient Calculator to personalise your own profile, then select it from the list on the Recipe Editor tab.
Nutrient Profile: Higher protein macro profile, 38-40-22 carb/fat/protein, other U.S. government DRI male 19-50, Aug 2015Change

4 Reviews

1 review
3 years ago
Excellent overall taste
Higher than average energy level
A little gritty
Reviewer tried this recipe more than 10 times
Reviewer is currently using this recipe

I've been eating this as the majority of my calories for 5 years now, and I have every intention of continuing to do so for the foreseeable future. Cheap, easy, and fast- I always appreciate that Bret keeps the ingredient links up to date <3 Flavor is very neutral (It tastes like oats and canola oil.. like what are you expecting?) and you can spice it up however you want. My personal favorite is just a subtle chocolate and mint, which I do 90% of the time. And I personally find it more appetizing than most other foods. I'm in my mid 20s and perfectly healthy. I scale the ingredients up to 3000kcal when I'm trying to gain weight and I make good progress.

5 years ago
Good overall taste
Higher than average energy level
Snacky betwen meals
Somewhat gritty
Lots of flatulence
Reviewer tried this recipe once
Reviewer is not currently using any type of Complete Food

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1 review
5 years ago
Excellent overall taste
Reviewer tried this recipe once
Reviewer is currently using this recipe

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1 review
7 years ago
Excellent overall taste
Higher than average energy level
A little gritty
Reviewer tried this recipe more than 10 times
Reviewer is currently using this recipe

My first experience using DIY soylent, and I was pleasantly surprised. From what I read abut most diy recipes, I was expecting a taste similar to bread dough. This isn't at all unpleasant, I'd compare it to chocolatey oatmeal. The price is fantastic, and I've had no unpleasant side effects. Lucked out on my first try and found a winner. I haven't been measuring how much water I use in each meal, but I would advise mixing it thicker rather than thinner. If it's thicker it tastes more substantial, if it's thinner you notice a slightly grittier texture and it's not quite as good. Also, this doesn't apply to the original recipe but amazon was out of the orange flavor packets and I bought mcormick orange flavoring which, I didn't notice, is like 90% alcohol and gives a sort of boozy aftertaste. Definitely buy powdered flavoring instead. I just started leaving the orange out until I can implement powdered flavoring.