Big Keto Lies that Hold You Back

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Big Keto Lies that Hold You Back - Thomas DeLauer


7-Keto DHEA

7-Keto DHEA is a supplement used for losing weight and is one of the three oxygenated metabolites that make up DHEA (Dehydroepiandrosterone)

As far as the effect of 7-keto DHEA on weight loss is concerned, the supplement has been shown to increase resting metabolic rate via thermogenesis

From the journal Current Therapeutic Research

33 overweight adults (12 men and 21 women) were divided into two groups. Group 1 received 200 mg of 7-Keto daily for eight weeks, while group 2 took a matching placebo capsule (of maltodextrin)=

All subjects participated in an exercise program three times a week that consisted of 50 minutes of aerobic and non-aerobic cross training

In addition, each subject was instructed by a registered dietitian to follow an 1800-calorie-a-day diet

The researchers found that the 7-Keto group lost a significant amount of body weight compared to the placebo group 4.7 versus 1.6 pounds (6)

Carbs Before a Workout - Ketosis is Glycogen Sparing

Study published in the journal Metabolism profiled 20 ultra-marathoners and ironman distance triathletes age 21-45 who were top competitors in running events of 50 kilometers (31 miles) or more

On average, the low-carb runners' peak fat-burning rate was 2.3-fold higher than the rate for high-carb athletes: 1.5 versus .67 grams per minute

Glycogen finding: Despite their low intake of carbs, the fat-burning athletes had normal muscle glycogen levels at rest

They also broke down roughly the same level of glycogen as the high-carb runners during the long run, and synthesized the same amount of glycogen in their muscles during recovery as the high-carb athletes (4)

Why is This

There were no differences in pre-exercise muscle glycogen concentrations, the rate of glycogen utilization during exercise, and the rate of glycogen synthesis during recovery.

Proves that chronic keto-adaptation in elite ultra-endurance athletes is associated with a robust capacity to increase fat oxidation during exercise while maintaining normal skeletal muscle glycogen concentrations

The question then arises is what is the carbon source for glycogen synthesis in the absence of carb intake post-exercise?

It’s believed that lactate and/or glycerol, which were two-fold higher at the end of exercise in low carb athletes (and then sharply decreased during recovery), may have provided a source of carbons for glycogen synthesis during recovery

Lactate conversion to glycogen could occur directly (lactate glyconeogenesis) or indirectly via the Cori cycle


Fatty Cuts of Meat

Fat from meat comes in the form of omega 6, so eating a lot of fatty cuts of meat will only promote excess inflammation within the body

A review published in the Nutrition Journal found that there are the significantly higher levels of omega-3s found in grass-fed beef

Depending on the breed of cow, grass-fed beef contains between 2 and 5 times more omega-3s than grain-fed beef

The average ratio of n-6:n-3 in grass fed beef is 1.53:1 and in grain-fed beef, this ratio jumps all the way up to 7.65:1

Keto Test Strips

Study - Metabolism: Clinical & Experimental

The study looked at the renal handling of acetoacetate and bHB in 12 obese subjects undergoing total starvation

Renal clearance of blood acetoacetate and beta-hydroxybutyrate remained constant - but In contrast, acetoacetate reabsorption rate increased significantly from 47 plus or minus 10 mmoles/min on day 3 to 106 plus or minus 15, 89 plus or minus 10, and 96 plus or minus 10 mmoles/min on days 10, 17, and 24, respectively

References

1) A review of fatty acid profiles and antioxidant content in grass-fed and grain-fed beef. (n.d.). Retrieved from https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2846864/

2) KS, P. (n.d.). Raspberry ketone increases both lipolysis and fatty acid oxidation in 3T3-L1 adipocytes. - PubMed - NCBI. Retrieved from https://www.ncbi.nlm.nih.gov/pubmed/20425690

3) Lopez HL , et al. (n.d.). Eight weeks of supplementation with a multi-ingredient weight loss product enhances body composition, reduces hip and waist girth, and increases en... - PubMed - NCBI. Retrieved from https://www.ncbi.nlm.nih.gov/pubmed/23601452

4) Metabolic characteristics of keto-adapted ultra-endurance runners. (n.d.). Retrieved from https://www.sciencedirect.com/science/article/pii/S0026049515003340

5) Sapir DG and Owen OE. (n.d.). Renal conservation of ketone bodies during starvation. - PubMed - NCBI. Retrieved from https://www.ncbi.nlm.nih.gov/pubmed/234169

6) The effect of 7-Keto Naturalean? on weight loss: A randomized, double-blind, placebo-controlled trial. (n.d.). Retrieved from https://www.sciencedirect.com/science/article/pii/S0011393X02800315
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