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Fatigue and loss of concentration after eating. Post meal hypotension?

Answered on August 19, 2014
Created April 21, 2013 at 10:20 PM

Hey everyone, I have been getting a huge amount of fatigue and loss of concentration after my first meal. I go to the gym and do a fasted workout (boxing/weights). The workout is typically 1.5 hours. I will come home let my body cool down and have a meal. The thing is after the meal I become so lethargic and fatigued. I looked into post meal hypotension and the symptoms sound similar, same with post meal hypoglycemia. The thing is my meal is usually just proteins/fats. I do have hypothyroidism and taking cytomel and synthroid. But my levels are spot on. Does anyone have an idea what could be causing this? It is always after my first meal, it occasionally can happen later.

874ff271ca3379984344d5f9f760fec3

(471)

on April 22, 2013
at 07:06 PM

You are stressing your adrenals out by exercising without food. Study how cortisol stimulates glucose when you are hungry.

07fdf585fd53d6752350295241ca2cbc

(45)

on April 22, 2013
at 05:39 PM

The focus and clarity of the workout. I feel sluggish if I eat anything beforehand

07fdf585fd53d6752350295241ca2cbc

(45)

on April 22, 2013
at 05:39 PM

carbs tend to make it worst

96440612cf0fcf366bf5ad8f776fca84

(19413)

on April 22, 2013
at 10:19 AM

These are typically insulin resistance resets.

Cc69a51b427eaad36251cce9dcca4d3a

(1074)

on April 22, 2013
at 02:35 AM

its the carbs. just eat fat/protein and nothing else (no veggies, sauces, carbs, minimal spices) and see how you feel. you might have fructose malabsorption. I feel awesome just eating protein/fat (all-meat zero carb diet) and anything else including a few grams of carbs in my meal leaves me fatigued and bloated, leading to weight gain.

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3 Answers

1
048dd52752c45129c1212bfffb37ca72

on May 28, 2013
at 10:32 AM

I agree with Hepoberman comment, fasting can have its benefits but is also a great stressor, then you also have hypo which is a pretty strenuous situation to your body as your energy status system is partially broken, then you push it by making it work fasted... seems a bad combination to me.

I'd try to get a HUGE meal just right after waking up consisting on a ton of protein, some fat and low to moderate carb, not fast blood sugar spiking ones. If you do well with fruit, you could have some to give your liver some fuel that will aid in the workouts. Then, if you are concerned with weight managing and trying to improve insulin sensitivity, you could achieve this with better results IMHO by skipping either lunch or dinner, or just managing to get slightly under calotic. But If you train during the morning, I'd also try to have some decent lunch with good protein sources (if you have to use dairy, post workout it might be the best) and you can add some starches here to help the body recover, so my take is to have a poor's man dinner and at least 4 to 5 hours before going to bed. This just should help in dealing with excess glucose and helping shredding some fat until next morning, maybe not very fast but a good strategy long-term.

Also drink a lot and watch your salt intake and mineral levels, some multivitamin may help, keep an eye to your magnesium/sodium/potassium intake, this is for general supporting of sports performance. For your current hypothyroid issues, I'd try to make sure I have enough selenium + iodine.

0
5983854773a45b09a77a09ee97bdef42

on April 22, 2013
at 04:51 AM

Hi Steve. What is your purpose in a fasted 90 minute workout please?

07fdf585fd53d6752350295241ca2cbc

(45)

on April 22, 2013
at 05:39 PM

The focus and clarity of the workout. I feel sluggish if I eat anything beforehand

96440612cf0fcf366bf5ad8f776fca84

(19413)

on April 22, 2013
at 10:19 AM

These are typically insulin resistance resets.

0
142d7e06e608cff536ab78e6ca78ce38

on April 22, 2013
at 02:17 AM

Maybe you need some carbs after your work out, veggies.

07fdf585fd53d6752350295241ca2cbc

(45)

on April 22, 2013
at 05:39 PM

carbs tend to make it worst

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