However I should not be s oblivious but to answer the OP's question and I apologize, if you want to gain weight, follow these simple rules:
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<br>1g Protein/ Per pound you weight.
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<br>MTC's (Coconut oil, palm kernel oil) MTC's are absorbed by the liver and do not need enzymes to be consumed, making them ideal for people with CF. If you like butter, consider making MCT butter, take regular salted butter leave it at room temp with coconut oil mix together and use as a spread, good way to get easy extra calories. Make sure to put back in the fridge.
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<br>Complex Carbs - Whole grain pasta's, Whole grain bread, Sweet potato's. All excellent, because they are absorbed slower you are able to regular blood sugar and make better use of what you are eating. You still do need to have some Simple carbs, first thing in the morning so that you can feed your brain early. The human brain uses sugar plain and simple. However in diets with low amounts of sugar, the body is smart, and starts to produce keytones to feed the brain, so when in doubt let the body do it's own thing.
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<br>EAA's (Essential Amino Acid's) for us this translates to Albumin production in the body which we so desperately need as people with CF. Albumin is a major building block of our body as almost all muscles need amino acid's to build. This will also increase protein synthesis in the body to repair your body while you sleep.
<br><br>EDIT: EAA's This is your meat! Red meat has very clean Albumin, if you have high blood sugar problems, look for GRASS fed beef as opposed to grain fed. It's more expensive but better handled by the body.<br>
<br>That brings me to another point, SLEEP is crucial to anyone, but so much so us. The body repairs its self while we sleep and makes it supper important. Protein before bed and first thing in the morning!
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<br>EFA's (Essential Fatty Acid's) Omega's concentrate mainly on Omega 3. Most American's have an over abundance of Omega 6 from all the trap we eat! The body can make Omega 6 and Omega 9 from Omega 3 if it needs more. The balance of Omega 3 to Omega 6 should be about 4:2.5 (Omega3/Omega6). Sources of Omega 3's are your salmon, Flex seeds, some beans, most fish in general, and walnuts, as well as Olive oil.
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<br>Also another comment on ALA. ALA also helps regulate free radicals in the body!
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