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Persistent Fat Loss Involves Diet, Exercise and ... Effective Tryptophan Management!? Here's What You Need to Know

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Cod is one of the foods w/ the highest tryptophan content and a staple in The Rock's  get in shape diet - along w/. You may remember that I have repeatedly written about the role of tryptophan (TRP) in weight loss: both on www.suppversity.com and (and even more often) in the SuppVersity Facebook News . Against that background you should not be totally surprised to hear that recent studies link a disturbed metabolism of TRP in overweight subjects to an increased susceptibility for mood disturbances and carbohydrate craving that will make them fall of the dieting wagon or, as Strasser and Fuchs write in a recent review "increasing the cessation probability of weight reduction programs" (Strasser. 2016). If you have ever tried to lose weight by eating less and exercising more, you will know that this common, but often unsuccessful "obesity solution" can trigger significant mood disturbances (ranging from the literal bad mood to depression) - so significant i...
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Tryptophan, an Overlooked Natural "Anabolic"? Increased Follistatin (Myostatin Inhibitor), mTOR, and IGF-1 In-Vitro and In-Vivo Shed a Whole New Light on Serotonin Precursor

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Poultry is high in tryptophan and so is spirulina, cod, soy beans, parmesan and pork. They all have higher tryptophan contents than turkey. So, it doesn't always have to be poultry ;-) As a SuppVersity  reader you know that "[n]utrition plays a key role in the maintenance of muscle and bone mass, and dietary protein deficiency has in particular been associated with catabolism of both muscle and bone tissue" (Dukes. 2015). You will also be aware that leucine and some other amino acids play a particularly important role in the accrual and maintenance of muscle mass. Until today, l-tryptophan, the amino acid the "happy neurotransmitter" serotonin is not among the usual suspects when it comes to building muscle. If the results of a recent study from the Georgia Regents Univ.  translate into practic-ally relevant research, this may change soon (Dukes. 2015). Learn more about amino acid and BCAA supplements at the SuppVersity Glutamine Helps W/ Diabetes...
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L-Tryptophan is Reduced While Dieting - Does This Make the Essential Amino Acid a Key to Successful Weight Loss?

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Trp and it's metabolite 5-HTP may be particularly useful for female sugar cravings and binges. Can l-tryptophan help you lose body fat? If you look at the results of the latest study from the University for Health Sciences, Medical Informatics and Technology it would seem that the answer to this question may be "Possibly, yes, but..." Before we come to the implications I would yet like to take a closer look at said study which shows that a lack of tryptophan (Trp) during diets does not just affect the biosynthesis of serotonin, but may also be associated with increased susceptibility for mood disturbances and carbohydrate craving. Accordingly, "strategies to supplement Trp while dieting could be highly useful in treating uncontrolled weight gain or in preventing neuropsychiatric symptoms" (Strasser. 2014). Honestly, fasting and eating / skipping breakfast may be more promising weight loss tools Breakfast and Circadian Rhythm Does Meal Timing Mat...
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The Neurotransmitter Depleting Effects of Branched Chain Amino Acids (BCAAs) and Their Potential Ergolytic, Anxiogenic & Depressive Downstream Effects

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Oh yes, this will happen despite if not because you've taken large amounts of BCAA before the workout. Usually you don't put the cart before the horse, but I guess you won't mind if I do so and postpone a summary of the information on magnesium from yesterday's installment of the Science Round-Up to tomorrow, when this means that we are going to take care of the "BCAA crisis" today. Ok, maybe "crisis" is not the best word to describe the reverberations the recent publication of a study by SuJean Choi et al. should be having (=nobody buys BCAAs anymore), but I was looking for something better than the usual "the truth about..." Science, and I am not going to tire repeating that, is after all not about truth (that's what the confessional box is about), but about experimentally verifiable/verified and non-verifiable/non-verified hypothesis (Popper. 1994). BCAAs can have ergolytic effects - A verifiable hypotheses? Based on the ...
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Capsaicin - 2.56mg to Keep Your Metabolism Running on a Diet. Cold Thermogenesis - 5°C for 6kcal/h. Mobile Phones - 0.853 W/kg Pulsed EMR to Mess Up Neurotransmitters

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You don't have to worry, the "guidelines" do not require you to perform either your 150 minutes of moderate cardio, or your 75 minutes of vigorous-intensity aerobic activity, and not even your two weekly full-body workouts in these shorts. 24% that's the SuppVersity Figure of the Week and it is actually not so low as I would have expected it to be, after all those 24% describe the ratio of US adults who meet the Physical Activity Guidelines for muscle-strengthening physical activity . Which guideline? Ah, you are the US guys and gals, so you should know that you are advised to "perform muscle-strengthening activities that are moderate or high intensity and involve all major muscle groups on 2 or more days a week, because these activities provide additional health benefit" (2008 Physical Activity Guidelines for Americans) Additional benefit? Well, it goes without saying that the 150 minutes of moderate aerobic training and the reduction of salt, as...
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