Fixed Protein + Dynamic Carbs, Fats, and Calories

TL;DR - I'd like to request the ability to set a fixed goal for one macronutrient (in this case protein) and dynamic goals for others (such as carbs, fats, and calories). Alternatively, I'd like the ability to set fixed "base" macronutrient targets based on no activity, but dynamically update macro targets based on logged exercise/activity using a different ratio than the "base" macro targets (for example 0:75:25 for additional protein:carbs:fats based on exercise). Perhaps this can already be done, but I have not yet found out how, if so.

Longer version -

There's a good bit of emerging research that indicates that an improved protein model is that all athletes (no matter your height, weight, or sex) should aim for about 120 grams of protein daily, divided as evenly as possible into 20 gram servings that are themselves separated by around three hours.

Realistically, having 6 meals per day with exactly 20g of protein is a bit overkill for my needs. With this in mind, in a different tracking app, I have set up my macro targets such that I am for 5 "meals" per day of 20-30g protein and a daily total of 120g protein. My "base" macronutrient goals (including calories, carbs, and fats in addition to protein) are manually fixed in the other tracking app based on no activity, and any additional calories from exercise and activity dynamically update calories to meet my net calorie goal and dynamically add additional carbs and fats at a 75:25 ratio to meet that calorie goal.

At present in Cronometer, it seems that macronutrient targets have to be either all fixed or all dynamic and there does not seem to be a way to have activity and exercise dynamically change goals for only some of the macronutrient targets.



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