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How bad is it to eat protein and fructose together?

Answered on August 19, 2014
Created March 15, 2012 at 4:33 PM

PHD and PMPB both advise against consumption of fructose along with protein and carbohydrates but I find it real hard not to finish a meal off with something sweet. Also, I consider fruit to be uniquely healthy despite the fructose contents. Are the concerns theoretical or real and if so how bad? I'm wondering whether the fructose in whole fruit really ever really has a chance to mix with PUFAs in vivo.

96bf58d8c6bd492dc5b8ae46203fe247

(37227)

on March 15, 2012
at 08:27 PM

I was suffering an unusual amount of stress that started to affect my blood pressure and glucose. I went looking for natural remedies and fasting kept coming up. I have a block so far about long term water fasts, but ADF sounded safe and reasonable so I gave it a try and I'm very pleased with how calming and healing it is.

4d6aa1a676240b15dc569ff8ade0500f

(2546)

on March 15, 2012
at 08:08 PM

how did you approach getting into the ADF? i've done leangains-type 16 hour fasts (and only once a 24 hour fast) but for some reason i have a weird mental block against doing any more than skipping breakfast ocasionally...it's almost a fear that i won't get enough food (no clue where that came from...)

96bf58d8c6bd492dc5b8ae46203fe247

(37227)

on March 15, 2012
at 06:45 PM

I'm declaring myself healed as I've recently eaten wheat twice without discernible symptoms. I don't plan to do that very often, though.

96bf58d8c6bd492dc5b8ae46203fe247

(37227)

on March 15, 2012
at 06:44 PM

At about 6 months I started drinking water kefir and it appears to have adjusted my gut flora so I could handle cream and yogurt. I then started making my own extra-fat yogurt. I have gradually rotated in more and more fish but I'm second-guessing that a litte since my cholesterol is a little low at 178. I may limit fish to once per week and have beef with my sardines. :-)) Anyhow, my recent experiments with ADF (alternate day fasting) have been very healing and I've been able to cut back on the water kefir although I still drink it regularly--I just don't need it as medicine any more.

96bf58d8c6bd492dc5b8ae46203fe247

(37227)

on March 15, 2012
at 06:43 PM

@meret, thanks for the kind words! I started out by eating fatty beef, a few eggs and non-starchy vegetables for the first 3 months. By then, I felt much better and was sleeping better and drifting into IF. I added grapefruit back, then sweeter fruits in modest portions and LOTS of vegetables. I had something of a crisis between 4 and 5 months and that's when I realized I really had an addiction to wheat and it had caused most of my chronic symptoms.

A968087cc1dd66d480749c02e4619ef4

(20436)

on March 15, 2012
at 06:23 PM

Ray Peat recommends fruit with protein, so go figure. I'd say avoid fructose + PUFA, especially n6. So, maybe don't eat fruit and nuts together...

4d6aa1a676240b15dc569ff8ade0500f

(2546)

on March 15, 2012
at 05:48 PM

nance, i'm so intrigued by your replies (from this and many other posts). it sounds like you've done so much self-experimentation to figure out what works for you and i'm in that process myself right now. how did you go about it? how did you end up where you are now? so curious!

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3 Answers

2
7bf306ada57db47547e9da39a415edf6

(11214)

on March 15, 2012
at 05:25 PM

I fail to see how the level of fructose in a reasonable portion size of fruit would have much of an effect. Also, it seems logical that we'd be adapted for this sort of thing. Surely our ancestors killed animals near a berry patch oh, several million times? Most of the scary stuff about fructose seems to apply to over-consumption found in people who eat processed foods. They overload their livers. If your liver is now unloaded, which it should be if you've done the original 30 day regime, then fruit shouldn't cause a problem.

2
96bf58d8c6bd492dc5b8ae46203fe247

(37227)

on March 15, 2012
at 05:02 PM

Based, I assume, on vigorous genes and epigenetics I am quite healthy for a 65 year old woman. I take no meds and have nice blood work. On SAD a year ago, that wasn't the case.

Two or 3 days per week I either fast or eat a small meal with no protein. I happen to believe that not eating constantly is more important for my health than whether or not I eat a little fruit or starch.

On "eating" days I eat extra-fat home-made yogurt with a banana and maybe some berries. That meal has fat, protein and carbs including fructose.

My main meal of the day begins with a whole grapefruit followed by a large leafy salad that may include tomatoes. If hungry for them, I eat a can of sardines after the salad. The main course is cooked veggies or tubers with meat or fish. Fat, protein, carbs/fructose.

On the above wild and crazy diet approach, I now need a belt to keep up pants that were too tight to zip a year ago. I have healthy hair and strong nails. I don't suffer GI symptoms such as constipation or diarrhea.

How bad can the combination of protein, fat and carbs/fructose be for me? You'd have to test it for yourself. IF I had physical symptoms or vital signs indicating something wasn't right, which is where I was a year ago on SAD, I would indeed question whether I should change something such as reducing fructose or starch or one type of fat, etc.

Since I've gone from rotten to excellent daily health, I am convinced it works for me.

4d6aa1a676240b15dc569ff8ade0500f

(2546)

on March 15, 2012
at 08:08 PM

how did you approach getting into the ADF? i've done leangains-type 16 hour fasts (and only once a 24 hour fast) but for some reason i have a weird mental block against doing any more than skipping breakfast ocasionally...it's almost a fear that i won't get enough food (no clue where that came from...)

96bf58d8c6bd492dc5b8ae46203fe247

(37227)

on March 15, 2012
at 06:44 PM

At about 6 months I started drinking water kefir and it appears to have adjusted my gut flora so I could handle cream and yogurt. I then started making my own extra-fat yogurt. I have gradually rotated in more and more fish but I'm second-guessing that a litte since my cholesterol is a little low at 178. I may limit fish to once per week and have beef with my sardines. :-)) Anyhow, my recent experiments with ADF (alternate day fasting) have been very healing and I've been able to cut back on the water kefir although I still drink it regularly--I just don't need it as medicine any more.

4d6aa1a676240b15dc569ff8ade0500f

(2546)

on March 15, 2012
at 05:48 PM

nance, i'm so intrigued by your replies (from this and many other posts). it sounds like you've done so much self-experimentation to figure out what works for you and i'm in that process myself right now. how did you go about it? how did you end up where you are now? so curious!

96bf58d8c6bd492dc5b8ae46203fe247

(37227)

on March 15, 2012
at 06:45 PM

I'm declaring myself healed as I've recently eaten wheat twice without discernible symptoms. I don't plan to do that very often, though.

96bf58d8c6bd492dc5b8ae46203fe247

(37227)

on March 15, 2012
at 06:43 PM

@meret, thanks for the kind words! I started out by eating fatty beef, a few eggs and non-starchy vegetables for the first 3 months. By then, I felt much better and was sleeping better and drifting into IF. I added grapefruit back, then sweeter fruits in modest portions and LOTS of vegetables. I had something of a crisis between 4 and 5 months and that's when I realized I really had an addiction to wheat and it had caused most of my chronic symptoms.

96bf58d8c6bd492dc5b8ae46203fe247

(37227)

on March 15, 2012
at 08:27 PM

I was suffering an unusual amount of stress that started to affect my blood pressure and glucose. I went looking for natural remedies and fasting kept coming up. I have a block so far about long term water fasts, but ADF sounded safe and reasonable so I gave it a try and I'm very pleased with how calming and healing it is.

0
7841848bd0c27c64353c583fb7971242

(7275)

on March 15, 2012
at 05:08 PM

All I know is my own experience, and I've started feeling tons better when I added fruit (particularly oranges and grapefruits) back in the mix. I regularly eat meals with a fruit plus a protein. I'm still not losing weight, but at least I stopped gaining. But what I find much more important is that I feel better/healthier/stronger.

I'm guessing we're going to find that some people don't do well on fruit, and others do best with fruit in their diets. I've always been a big fruit eater, and feel terrible when I don't get it. So I'm guessing the people who advocate little to no fruit happen to do great without it.

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