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re: Biology, Chemist and Biochemist OTers: Help me understand weight loss.
Posted on 4/3/17 at 9:12 am to MontyFranklyn
Posted on 4/3/17 at 9:12 am to MontyFranklyn
Watch this. It will show you how your body gets rid of fat. This is based on regular eating and not ketosis.
This video is on ketosis. It is not really a scientific approach but info is there to get a good grasp on what is happening.
This video is more scientific but has a really stupid background music.
Ketosis is just a different energy system. Fat has more potential energy in a gram than glucose does but does not provide the "instant" energy that glucose does. You have to deplete your glucose to get into ketosis. If you have ever tried out ketosis you will see that you will "level out" your energy levels and have a sustained release of energy throughout the day instead of peaks from glucose. There is no doubt that glucose is very beneficial for exercising but IMO a timed carb meal is better than eating carbs throughout the day. I believe the diet is called TKD where you would time your carbs right before or after the workout and be in ketosis the rest of the time.
I don't know about the overall "weight" loss of ketosis vs diets with carbs but I do hold on to more weight with carbs. I get bloated.
The way I approach my diet is to be in mindset of ketosis but not worrying about being in ketosis. I have my cheat meals throughout the week but I treat them as treats. I try to eat a fairly large carb/calorie meal before days where I deadlift or squat. The other days, I just consume a little bit of carbs. I am in maintenance right now but if I were to cut, I'd just reduce the carbs a little bit more and add in some cardio if the reduction of carbs slows down.
Basically, treat your food as fuel and use it how it was intended. Carbs are for energy. If you don't require the energy the carbs provide, don't eat them or eat them sparingly.
This video is on ketosis. It is not really a scientific approach but info is there to get a good grasp on what is happening.
This video is more scientific but has a really stupid background music.
Ketosis is just a different energy system. Fat has more potential energy in a gram than glucose does but does not provide the "instant" energy that glucose does. You have to deplete your glucose to get into ketosis. If you have ever tried out ketosis you will see that you will "level out" your energy levels and have a sustained release of energy throughout the day instead of peaks from glucose. There is no doubt that glucose is very beneficial for exercising but IMO a timed carb meal is better than eating carbs throughout the day. I believe the diet is called TKD where you would time your carbs right before or after the workout and be in ketosis the rest of the time.
I don't know about the overall "weight" loss of ketosis vs diets with carbs but I do hold on to more weight with carbs. I get bloated.
The way I approach my diet is to be in mindset of ketosis but not worrying about being in ketosis. I have my cheat meals throughout the week but I treat them as treats. I try to eat a fairly large carb/calorie meal before days where I deadlift or squat. The other days, I just consume a little bit of carbs. I am in maintenance right now but if I were to cut, I'd just reduce the carbs a little bit more and add in some cardio if the reduction of carbs slows down.
Basically, treat your food as fuel and use it how it was intended. Carbs are for energy. If you don't require the energy the carbs provide, don't eat them or eat them sparingly.
This post was edited on 4/3/17 at 9:14 am
1
Posted on 4/3/17 at 9:16 am to Bmath
quote:
A lot of this is actually related to cortisol production. Cortisol is a stress hormone that gets released with certain levels of exertion, and can lead to fat retention.
That zone is for the heart rate. Increased heart rate leads to more blood flow and excess breathing. Watch my first video in my other post on the science behind fat burning.
Posted on 4/3/17 at 9:28 am to Hangover Haven
quote:
Move more, eat less
This plus cut out or cut way down on the sugar and grains.
Posted on 4/3/17 at 9:29 am to Hu_Flung_Pu
Again, it has to with stress on the body and cortisol production.
Our bodies are complex. It's why most things work until they don't.
Our bodies are complex. It's why most things work until they don't.
This post was edited on 4/3/17 at 9:30 am
Posted on 4/3/17 at 9:30 am to MontyFranklyn
Don't do it for long periods of time. It can be hard on your kidneys.
Posted on 4/3/17 at 10:09 am to Hu_Flung_Pu
quote:
Hu_Flung_Pu
The third video is the video I watched. It is the one referencing. Lol
Posted on 4/3/17 at 3:33 pm to Ingeniero
quote:True. You do realize that if you cut carbs(sugar included), you simultaneously cut your calories as well. Per gram, there are more calories in carbs than in proteins.
Calories in, calories out baw
Posted on 4/3/17 at 3:36 pm to MontyFranklyn
As others have said, it's all about caloric burn. a calorie is 1 unit of energy. If you eat 1000 calories and burn 1200, the reserve 200 comes from your fat cell stores. Weight loss is seriously as easy as that.
Posted on 4/3/17 at 3:39 pm to Capital Cajun
quote:
This plus cut out or cut way down on the sugar and grains.
Ketosis^^^^^^
Posted on 4/3/17 at 3:47 pm to MontyFranklyn
Basically, your body is constantly breaking down glucose. Glucose gets oxidized and goes through glycolysis, the Citric Acid Cycle and the Electron Transport Chain. Fatty Acid Oxidation can feed into these pathways.
At the Citric Acid Cycle, oxaloacetate combines with ACOA to form citrate. If you starve yourself, however, there will be a decrease in oxaloacetate production, which means it can't combine with acetyl COA to produce citrate and produce ATP this way.
Your body, to make up for the discrepancy, begins funneling in fat to burn as energy. Ketone bodies are important for brain and vital organ function if you're starving.
To make a long story short, if you're low on sugar, either glucose or glycogen, your body burns fat. This is ketosis. It keeps funneling in triglycerides from adipose tissue.
It's sound scientifically to lead to weight loss.
Sympathetic nervous system neurotransmitters also operate in this way. I think this is a way to lose weight.
At the Citric Acid Cycle, oxaloacetate combines with ACOA to form citrate. If you starve yourself, however, there will be a decrease in oxaloacetate production, which means it can't combine with acetyl COA to produce citrate and produce ATP this way.
Your body, to make up for the discrepancy, begins funneling in fat to burn as energy. Ketone bodies are important for brain and vital organ function if you're starving.
To make a long story short, if you're low on sugar, either glucose or glycogen, your body burns fat. This is ketosis. It keeps funneling in triglycerides from adipose tissue.
It's sound scientifically to lead to weight loss.
Sympathetic nervous system neurotransmitters also operate in this way. I think this is a way to lose weight.
This post was edited on 4/3/17 at 3:53 pm
Posted on 4/3/17 at 4:03 pm to MontyFranklyn
quote:
I deduced that your body runs of a primary fuel and a back up fuel. Glucose is the primary fuel. Glucose is produced in your body from carbs and sugar. If the "tank" for glucose fuel fills, due to you not burning it, the excess glucose is then stored into fat cells. Your body will only burn these fat reserves when the glucose "tank" is empty.
Pretty good synopsis. However it is a little more complicated than that. It's not either/or when you're exercising, you're burning both fat and glucose.
The intensity of exercise can dictate in what ratio your body burns glucose and fat. During low intensity exercise your body will tend to burn less fat. High intensity interval training you'll burn more.
Posted on 4/3/17 at 4:42 pm to TIGERBAIT2020
quote:
Wanna lose wt?
I have a foolproof 2-step weight loss program.
Step #1 - Eat Less.
Step #2 - Move around more.
Almost. If you want to lose weight, eat less. You can't outrun your fork. Ultimately, you can sit on your arse and lose weight if you reduce your food intake enough.
Posted on 4/3/17 at 8:01 pm to MontyFranklyn
quote:
Per gram, there are more calories in carbs than in proteins.
That is blatantly false. There are 4 calories per gram of carbohydrate or protein.
Posted on 4/3/17 at 8:37 pm to zatetic
quote:
In all the other diets fat is typically the last thing to lose because it is the hardest thing to breakdown into glucose. Sugar is inflammatory for your whole body. Cancer runs on glucose. Literally almost everything bad healthwise comes from sugar and grains. If you aren't using the energy immediately it turns into fat because it takes no energy to breakdown sugar and grains.
Came for the bro science
Left satisfied
Posted on 4/4/17 at 9:40 am to zatetic
quote:
It theoretically may be impossible to get cancer while in ketosis since you will have no glucose for the cancer to use (this is a big leap of faith but it is known to help treat cancer). What I've read says no one can get approval to do an actual study with human subjects on whether a ketosis diet can treat cancer. In all the other diets fat is typically the last thing to lose because it is the hardest thing to breakdown into glucose. Sugar is inflammatory for your whole body. Cancer runs on glucose. Literally almost everything bad healthwise comes from sugar and grains. If you aren't using the energy immediately it turns into fat because it takes no energy to breakdown sugar and grains.
Not entirely true.
LINK
quote:
The MIT researchers found that glucose accounts for just 10–15% of the carbon found in cancer cells, whereas glutamine contributes about 10% of the carbon. Instead, the researchers found that as a group, amino acids (excluding glutamine) contribute the majority of the carbon atoms found in new cells and 20–40% of the total mass
Posted on 4/4/17 at 9:45 am to iAmBatman
quote:Yeah, that was my bad. I didn't read the entire portion of the article.
That is blatantly false. There are 4 calories per gram of carbohydrate or protein.
quote:
Carbohydrates, proteins, and fats supply 90% of the dry weight of the diet and 100% of its energy. All three provide energy (measured in calories), but the amount of energy in 1 gram (1/28 ounce) differs: 4 calories in a gram of carbohydrate or protein. 9 calories in a gram of fat.
Posted on 4/4/17 at 9:50 am to iAmBatman
I think they actually narrowed it down that protein had 4.1 calories.
Posted on 4/4/17 at 10:06 am to MontyFranklyn
quote:
Not entirely true.
Just for the record that doesn't refute anything I said. I may have exaggerated that cancer runs on glucose. My statement, "It theoretically may be impossible to get cancer while in ketosis since you will have no glucose for the cancer to use" was not refuted by that article, which was my point.
They won't allow ketosis studies to be done anyways.
Posted on 4/4/17 at 10:13 am to zatetic
quote:I do think it would be harder for cancer cells to survive and grow without glucose, but it seems that amino acids may play a larger part of their existence.
Just for the record that doesn't refute anything I said. I may have exaggerated that cancer runs on glucose. My statement, "It theoretically may be impossible to get cancer while in ketosis since you will have no glucose for the cancer to use" was not refuted by that article, which was my point.
They won't allow ketosis studies to be done anyways.
Posted on 4/4/17 at 10:24 am to shutterspeed
quote:
While there is truth to that, if you could optimize weight loss, then why wouldn't you?
Ketosis supercharges weight loss.
Because it doesn't train you to eat properly and maintain your weight loss. Losing and gaining large amounts of weight isn't healthy and most people will eventually gain all lost weigh back (and frequently more). People should aim for 1-2 pounds per week at most and learn to develop healthy, sustainable eating habits.
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