Effects
of an isocaloric healthy Nordic diet on insulin sensitivity, lipid profile and inflammation markers in metabolic syndrome — a randomized study (SYSDIET).
Comparison
of isocaloric very low carbohydrate / high saturated fat and high carbohydrate / low saturated fat diets on body composition and cardiovascular risk.
Protein + exercise works: Interactive effects
of an isocaloric high - protein diet and resistance exercise on body composition, ghrelin, and metabolic and hormonal parameters in untrained young men: A randomized clinical trial (Kim et al., 2014)
The control group was given a placebo that consisted
of an isocaloric amount of maltodextrin with the same flavor and appearance as the intervention product.
Not exact matches
In an experiment with two groups
of adults, while one group did targeted ab exercises five days a week for six weeks, the other focused on keeping a balanced «
isocaloric diet.»
Long haul impacts
of a low - sugar weight reduction count calories contrasted and an
isocaloric low - fat eating routine following 12 months.
Finally, we compared the diet enriched in soybean oil to an
isocaloric diet that contained the same amount
of total fat (40 % kcal, Americans consume 34 - 37 % fat) but with 90 %
of the fat from coconut oil.
We used a mouse model
of continuous intragastric feeding
of alcohol or an
isocaloric diet.
Although we found no difference after 1 day or 1 week, intestinal bacterial overgrowth was observed in the gastrointestinal tract
of mice fed alcohol for 3 weeks compared with control mice fed an
isocaloric liquid diet.
In brief, the weight loss was accomplished by one
of two hypocaloric (1400 kcal / d)
isocaloric pseudo-Dukan Diets (higher protein & lower fat than Atkins)
In a landmark study, researchers gave participants
isocaloric diets (meaning they both had the same amount
of calories) with two different ratios
of carbohydrates to protein.
«Glycemic Effects
of Intensive Caloric Restriction and
Isocaloric Refeeding in Noninsulin - Dependent Diabetes Mellitus,» Journal
of Clinical Endocrinology & Metabolism, 61 (5), 917 - 925.
In my Do Calories Matter article, I explain that many tens
of so called «
isocaloric» studies demonstrate no difference in weight and / or body fatness when either carbohydrate or fat levels are manipulated while calories are controlled for.
Another MAJOR part
of why fructose is worse than other sugars is because it is «
isocaloric but not isometabolic.»
We studied the consequences
of a 15 % increase in energy from dietary protein in 19 subjects under weight - stable conditions (
isocaloric diets) during the first 4 wk
of the protocol and during active weight loss (ad libitum diet) in the final 12 wk
of the protocol.
Body composition and energy intake data obtained during the final 24 - h periods
of the weight - maintaining 15 % - protein diet (visit CRC1), the
isocaloric weight - maintaining 30 % - protein diet (visit CRC2), and the ad libitum 30 % - protein diet (visit CRC3) 1
Plasma leptin data obtained during the final 24 - h periods
of the weight - maintaining 15 % - protein diet (visit CRC1), the
isocaloric weight - maintaining 30 % - protein diet (visit CRC2), and the ad libitum 30 % - protein diet (visit CRC3) 1
The subjects reported a clear decrease in hunger and increase in fullness during weeks 3 and 4
of the study after the transition to the
isocaloric high - protein diet (Figure 2).
No idea what adding beans will do to IGF - 1 level but if you do add them, and subtract
isocaloric amount
of fruit, you will reduce your likely high risk
of immune dysfunction, systemic fungal infections, and tooth decay from the 80-10-10 super high sugar intake from all that fruit!
Eighteen - week - old male C57BL / 6 mice were fed continuously for 39 days with experimental,
isocaloric diets designed to provide either a high (18 %) or a low (4 % — 7 %) amount
of calories derived from protein...
For soy formula, they use an
isocaloric (same number
of calories) quantity
of sucrose.
If such a diet performs identically to standard
isocaloric diets in terms
of fat loss and metabolic improvement, then maybe the calorie - is - a-calorie folks are right.
Three diet types
of whole pecans, blended pecans, and an
isocaloric meal not containing pecans were tested on three different human subject groups.
[1] Ketogenic diet benefits body composition and well - being but not performance in a pilot case study
of New Zealand endurance athletes https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5506682 [2] Ketogenic low - carbohydrate diets have no metabolic advantage over nonketogenic low - carbohydrate diets https://academic.oup.com/ajcn/article/83/5/1055/4649481 [3] Energy expenditure and body composition changes after an
isocaloric ketogenic diet in overweight and obese men https://academic.oup.com/ajcn/article/104/2/324/456464 [4] Ketones block amyloid https://www.ncbi.nlm.nih.gov/pubmed/26923399 [5] Ketones Inhibit Mitochondrial Production
of Reactive Oxygen Species Production Following Glutamate Excitotoxicity by Increasing NADH Oxidation https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1865572/ [6] The ketogenic diet may have mood - stabilizing properties https://www.ncbi.nlm.nih.gov/pubmed/11918434 [7] The antidepressant properties
of the ketogenic diet http://www.ncbi.nlm.nih.gov/pubmed/15601609
In each
of the following studies, all participants ate precisely the same number
of calories (these are called
isocaloric studies), but one group was eating more hormonally helpful foods than the others:
When both groups eat the same amount
of calories (
isocaloric), the low - carb groups still tend to lose more weight but the effects aren't large enough to reach statistical significance.
The
isocaloric low - fat meal consisted
of Kellogg's Frosted Flakes, skim milk, Source fat - free yogurt, a Kellogg's Fruit Loops fruit bar, and Sunny Delight orange juice [830 kcal (3475 kJ), 1g
of fat and 15 mg
of cholesterol].
This is a controversial idea, and there are perceptions that variable weight loss with
isocaloric diets would somehow violate the laws
of thermodynamics and that there must be some experimental error.
«Subjects receiving the no - carbohydrate hypocaloric diets for two weeks demonstrated a similar 47 % decline in serum T3 [as caloric restriction]... In contrast, the same subjects receiving
isocaloric diets containing at least 50 g
of carbohydrate showed no significant changes in either T3 or rT3 concentration.»
Of interest is that the authors» note in this study that the (isocaloric) addition of 50 gm of carbohydrate totally reversed this beneficial effect of lowering T
Of interest is that the authors» note in this study that the (
isocaloric) addition
of 50 gm of carbohydrate totally reversed this beneficial effect of lowering T
of 50 gm
of carbohydrate totally reversed this beneficial effect of lowering T
of carbohydrate totally reversed this beneficial effect
of lowering T
of lowering T3.
The effects
of carbohydrate variation in
isocaloric diets on glycogenolysis and gluconeogenesis in healthy men
In a high quality seven day, randomized, crossover study conducted by Sunehag et al. (2002), twelve healthy, non-obese adolescents (six males, six females) were maintained at home on prepared,
isocaloric diets containing 60 % carbohydrate, 25 % fat, and 15 % protein, with 10 % or 40 %
of the carbohydrate (6 or 24 %
of dietary energy) content provided by fructose (low fructose or high fructose diet, respectively)... The total amounts
of fructose ingested in the low and high fructose diets were estimated to be 36 and 133 g / day in females and 40 and 136 g / day in males.
There was a median interval
of seven days between the two study periods, during which the patients were instructed to consume an
isocaloric diet.
Providing such an
isocaloric supplement could lower dietary protein intake in the control group, making a possible surplus benefit
of protein supplementation less convincing.
One comparison
of two
isocaloric, energy restricted diets in bodybuilders showed that a diet that provided adequate carbohydrate at the expense
of protein (1 g / kg) resulted in greater LBM losses compared to a diet that increased protein (1.6 g / kg) through a reduction
of carbohydrate [32].
To avoid the confounding effects
of concomitant changes in energy and macronutrients, the two study diets were
isocaloric and the macronutrient composition
of the diets was identical.
Reductions in the percentage
of dietary fat in
isocaloric diets from approximately 40 % to 20 % has resulted in modest, but significant, reductions in testosterone levels [53, 54].
However, an
isocaloric diet was used, with only a change in the percentage
of carbohydrate contributing to the diet.
One study in particular, showed that two weeks
of snacking based on peanuts does not cause the same negative metabolic effects as an
isocaloric diet in which the snacking is based on short acting carbohydrates in the form
of candy in non-obese healthy subjects.
Thus meaning an
isocaloric diet comprising
of the exact same foods: raw vs cooked, would vary in calorie absorption.
Their findings indicated that 6 weeks
of abdominal exercises alone (with no other training) did not reduce abdominal fat (Note: both the ab exercising group and the control group had identical
isocaloric diets)
The one, big study
of intermittent fasting conducted on men and women looked at differences between
isocaloric feeding schedules: 3 meals / day feeding versus 1 meal / day.
Our models were not
isocaloric because part
of the benefit
of fruits and vegetables may be from increased satiety with fewer calories; therefore the main results presented here are non-
isocaloric substitutions in which individuals could have substituted, for example, one serving per day
of apples (74 calories per serving) instead
of one serving per day
of orange juice (84 calories per serving).
Long - term effects
of a very - low - carbohydrate weight loss diet compared with an
isocaloric low - fat diet after 12 mo
Long - term effects
of a very - low - carbohydrate weight loss diet compared with an
isocaloric low - fat diet after 12 months.
Metabolic effects
of weight loss on a very - low - carbohydrate diet compared with an
isocaloric high - carbohydrate diet in abdominally obese subjects.
In contrast, the same subjects receiving
isocaloric diets containing at least 50 g
of carbohydrate showed no significant changes in either T3 or rT3 concentration.