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'Training Low[Carb]' Requires 0.12g/kg Extra-Protein | Fitbit Fitness Data Decently Reliable | Plus: Salt vs. Passin' Out

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Mixed news about nutrition, exercise, and supplementation. In the absence of game-changing nutrition, exercise, and supplementation science I decided to post one of the recently rare installments of the good old " on short notice " column at the SuppVersity . This installment of the " short news " features two plus one papers from the latest issue of "Medicine & Science in Sports & Exercise"  and their, as of yet, unpublished "ahead of print" articles. While we'll start with a short discussion of the latest investigation into the accuracy (or rather usefulness) of your (old) Fitbit Charge 2.0 , I suspect that most of you will be more interested in the "training low [carb/glycogen]" study which is the first to quantify the (to be expected) increase in protein/amino acid requirements in those who avoid carbs to maximize the mitochondrial response to exercise (see "Maximizing Training-Induced Cellular Adaptation: T...
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'Native' Whey, the Superior Whey? Transient Benefits on 'Recovery', No Size or Performance Gains in 12-Week RCT

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'Natural' whey is filtered right out of skim milk, 'regular' whey from the liquid 'waste" that accumulates in the cheese production - that's at least how the scientists in the study at hand define 'natural' - in the literature 'natural whey' often refers to whey concentrate/isolate vs. hydrolysates, ie. quasi-predigested protein with a completely different peptide content. I've discussed potential differences between 'native' whey protein and 'regular' whey protein supplements before. Unfortunately, the only evidence we've had, so far, has yet been the observation that it is digested even more rapidly than regular whey protein ( learn more in my 2017 article) - a mere increase in speed, however, doesn't necessarily translate to significant, let alone practically relevant increases in muscle and/or performance gain z ... without longitudinal studies, we're thus screwed when it comes to the interpretation o...
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35g Pre-Bed Casein Protein, 1st Fair, Isocaloric High Protein (1.8g/kg) Comparison: No Extra Muscle Gain in Young Men

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Using casein protein pre-bed can be useful but probably only for those of you who use it to up their total protein intake. "Once Upon a Time..." It may sound like it, but it is a fact when I tell you that there was a time when bodybuilders got up at night to consume a protein shake. That's not just the exact opposite of today's lean gains physique athletes, it is also PM protein ingestion taken to the extreme. An extreme of which a bunch of studies investigating the effects of the ingestion of slow-digesting casein protein before bed suggests that - even if  it works - it may be an unnecessary sleep-impairing hassle. High-protein diets are much safer than some 'experts' say, but there are things to consider... Practical Protein Oxidation 101 5x More Than the FDA Allows! More Protein ≠ More Satiety Satiety: Casein > Whey? Wrong! Protein Timing DOES Matter! High Protein not a Health Threat For those who don't want to go to such...
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Protein-Timing & Fasting: Fasted Sprints & the Remarkable Muscle↑, Fat↓ Effect of Timing Whey With vs. Between Meals

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Not sure what would happen to your sprints if you have whey before HITing it... While more and more scientists and "evidence-based" trainers and fitness gurus, alike, keep repeating that "protein timing" - as heavily and feverishly as it is often debated on Facebook and elsewhere on the interwebs - is significantly less important than some gymrats still tend to believe ( Schoenfeld 2013 ). The question "When do I take my whey shake?" is still a topic worth discussing. In particular, if an interesting new study - a systematic review, to be precise - seems to suggest that protein timing does, at least in protein supplementation studies, matter... and what's most exciting, it seems to matter for the one outcome of physical exercise and dietary discipline many gymrats consider the #1 on their priority list: improvements in  body composition ... or, as many call it, "getting ripped and jacked" ;-) Learn more about building muscle and stre...
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