The key sign of metabolic syndrome is central obesity, also known as visceral, male-pattern or apple-shaped adiposity. It is characterized by adipose tissue accumulation predominantly around the waist and trunk.[5] Other signs of metabolic syndrome include high blood pressure, decreased fasting serum HDL cholesterol, elevated fasting serum triglyceride level, impaired fasting glucose, insulin resistance, or prediabetes. Associated conditions include hyperuricemia; fatty liver (especially in concurrent obesity) progressing to nonalcoholic fatty liver disease; polycystic ovarian syndrome in women and erectile dysfunction in men; and acanthosis nigricans.

Hi Howard, You’re right that this bread doesn’t rise much – the volume comes mostly from whipping the egg whites. If the whites fell too much, the bread might not be tall enough. But even if they didn’t, it might still be shorter than some other tall bread loaves. Feel free to multiply the recipe by 1.5 if you prefer a taller loaf. I’m glad you liked the flavor and texture!
I just tried this recipe in my kitchen. OMG thank you so so much for this wonderful idea! The only thing I think I will try next time is to add just a dash or so of salt to the mug before microwaving (although it already tastes great!). I think it will be fun to experiment with adding some different seasonings or herbs to the batter before baking it, too, just for variety.
For those, like myself, wanting a low-carb real bread I would recommend a proper low-carb yeast bread recipe with vital wheat gluten (the vast majority of people have zero gluten sensitivity, so the gluten-free fad is at best a waste and at worst a scam). Such breads have approx 1.5-2 grams more net carbs per 40g slice (5-6 grams total net carbs) than this recipe and I think it’s worth it.
If you need to lose weight, find an eating plan you can stick with. “Whatever results in lasting weight loss for you is the best approach for you,” Wright says. “If you make over-restrictive changes you can't maintain, as soon as you tire of that diet, you will fall back to what you did previously, gain weight, and raise your risk of type 2 diabetes.”
Menopause is the time in a woman's life when menstrual periods permanently stop, also called the "change of life." Menopause symptoms include hot flashes, night sweats, irregular vaginal bleeding, vaginal dryness, painful intercourse, urinary incontinence, weight gain, and emotional symptoms such as mood swings. Treatment of menopausal symptoms varies, and should be discussed with your physician.

Ketosis is a nutritional process characterised by serum concentrations of ketone bodies over 0.5 mM, with low and stable levels of insulin and blood glucose.[1][2] It is almost always generalized with hyperketonemia, that is, an elevated level of ketone bodies in the blood throughout the body. Ketone bodies are formed by ketogenesis when liver glycogen stores are depleted (or from metabolising medium-chain triglycerides[3]). Ketones can also be consumed in exogenous ketone foods and supplements.
Maria, thank you for this recipe! Made this yesterday, and was shocked that it really did come together so quickly! I weighed the ingredients out as you recommended, and that worked out really well which I prefer since so many measuring implements can vary from one to the next. I made the almond flour and egg white version, but may eventually try it with the coconut flour. Even my non-paleo, grain-eating husband liked this bread and agreed to put it in his sandwich bread rotation–so that excites me too! My bread did have a slight purplish hue to it (used the Vitacost brand psyllium husk powder), so I just ordered some of the Jay Robb brand psyllium powder so that my husband won’t have an excuse to not eat this when he goes to make a sandwich with it. Thanks again!

Thank you for the recipe. I was going to give up gluten free bread making but your recipe made my day! I used ghee instead of butter as I was too lazy to melt butter. It rose prettily in the oven. Such a nice loaf of bread. Definitely not eggy and it even has the fluffiness of bread. I would like to double the recipe and make it in a 1 lb loaf pan. Do you think that’s feasible? Many thanks,

Choose foods that are less likely to cause an additional sudden rise in blood sugar. These foods can be identified by determining their glycemic index value (see Resources). Look for foods with a low glycemic index value, such as beans and legumes, and avoid high glycemic foods, such as white potatoes. Don't assume a food has a low glycemic number, even if it appear healthy; many healthy foods can cause a rise in blood sugar, particularly in susceptible individuals.
I tried this with the Psyllium husk powder I had (Konsyl) and it was too gummy. It looks like the Jay Robb is out of stock everywhere. If you had success with this bread using a different brand, would you share with me what brand worked? I could taste in the crust that this will be wonderful once I get the right psyllium. Thanks, everyone! I’m excited to nail this.

I was looking for a quick way to test a bit of (raw) JALAPENO and came across your 90 SECOND bread. Typically, a mug version isn’t on my radar since I’ve taken up keto loaves of bread, cakes, cookies, etc., quantities of baking. BUT I am totally impressed at the texture, very English muffin, and wonderful flavor! I cut the salt to less than an 1/8th and put just a dab of butter into the mix before whisking it really well. DELICIOUS! Was very surprised to see it is a serving for 2 muffins although hubby and I split it to see about the JALAPENO spiciness (I can safely put more into the loaf I’ll be doing next). Long winded to express my thanks and appreciation for getting bread in a mug done quickly absolutely perfect!!

This was a great read. I aim to restrict carbs always because I believe most are why the American population is obese. I would very much like to hear more about carb restriction excluding the discussion on processed meats and processed high salt content foods because I consume neither. I also don’t consume dairy or eggs. So can you provide some substance.
Metabolic syndrome is not merely a single disease but a collection of pathological conditions (i.e., abdominal obesity, insulin resistance, dyslipidemia, hyperglycemia, and hypertension) that increase the risk of developing diabetes and cardiovascular diseases. Low adiponectin levels directly correlate with the development of metabolic syndrome after adjusting for age, sex, and BMI [106,107]. In a study of Japanese adults, an increase in the number of metabolic syndrome components was associated with decreasing adiponectin levels [108]. Hypoadiponectinemia also appears to be a predictor for the future development of metabolic syndrome in obese individuals [109,110].
In both the nutrition literature and public dietary guidelines, nonstarchy vegetables are one of the few dietary components nearly unanimously agreed upon as healthful. Given their health-supporting characteristics and low carbohydrate content, they should be a prominent component of any ketogenic diet. Beyond the primary features of a well-formulated ketogenic diet, such as macronutrient proportions, adequate mineral intake, and appropriate selection of fat sources, which have been discussed more thoroughly elsewhere [34, 35], inclusion of nonstarchy vegetables is an important consideration, given that reports in the literature of adverse effects resulting from ketogenic diets are often associated with extreme implementations that typically lack plant matter. In fact, for this reason, it has recently been recommended to increase the nonstarchy vegetable content of ketogenic diets used to treat epilepsy [38]. Beyond adding variety to the diet, benefits of nonstarchy vegetables that may be particularly relevant to nutritional ketosis include the maintenance of adequate micronutrient status and the presence of prebiotic fiber as substrate for the gut microbiota. In addition to the importance of prebiotic fiber for basic health, the short-chain fatty acids produced by the gut microbiota from this dietary fiber support ketogenesis [39] and metabolic signaling related to mitochondrial function and antioxidant defense [40]. Furthermore, nonstarchy vegetables are a source of the many micronutrients needed to support energy metabolism. As such, there is more to a ketogenic diet than simply restricting carbohydrate. Selection of a variety of nutrient-dense foods is therefore an important component of nutritional ketosis that should be given consideration in any clinical or academic implementation.
More recently a community of researchers and athletes have emerged who feel that following a ketogenic diet offers a performance advantage, especially to endurance sports where athletes are more likely to run out of stored carbohydrate during the event. However the evidence remains inconclusive and research is ongoing to provide a definitive answer to as to if a ketogenic diet offers a performance advantage.    
Has anyone tried this using a substitute for the eggs/egg whites? My husband seems to be sensitive to eggs (not sure which part, to be honest) and we’ve been making most recipes using agar agar as a substitute (for either whites or whole eggs) but this only works if the egg is a binder. I’m guessing that they are a leavening agent in the bread (please correct me if I’m wrong!) and I don’t know if agar would work in this recipe. I do have VersaWhip 600 – anyone ever tried that in a bread recipe?

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The concentration of ketone bodies may vary depending on diet, exercise, degree of metabolic adaptation and genetic factors. Ketosis can be induced when a ketogenic diet is followed for more than 3 days.[34] This induced ketosis is sometimes called nutritional ketosis.[35] This table shows the concentrations typically seen under different conditions[1]
Bioenergetic and oxidative stressors may be largely responsible for inducing many of the beneficial adaptations to exercise, and for this reason, exercise research provides much of the basis for mitohormesis [4–6]. As previously discussed, an increase in fat oxidation appears to be a prerequisite for increasing mtROS and, in turn, inducing mitohormesis. Given that ketogenic diets prominently increase fat oxidation during submaximal exercise [8, 88, 214–216, 218, 219, 376–381], the combination of the two interventions may induce mitohormetic adaptations to a greater extent. Furthermore, much of the signaling that is relevant to mitohormesis, and likely induced by nutritional ketosis, is also induced by exercise, further suggesting the possibility of an additive or even synergistic effect. Demonstrating this, exercise or muscle contraction increases activity, activation, or expression of AMPK [209–211, 275, 284, 382–386], SIRT1 [384–389], SIRT3 [272, 390, 391], NFE2L2 [358, 360, 392], p38 MAPK [284, 305, 313–315, 393–395], PGC-1α [275–279, 284, 305, 314, 385–389, 396–400], NRF-1 [358], and TFAM [358, 388, 389]. Exercise also increases expression or activity of antioxidant enzymes [313, 358, 360, 396, 397, 401], uncoupling proteins [94], and bioenergetic proteins involved in oxidative phosphorylation [396, 397, 400] and the citric acid cycle [396], all of which appear to be at least partly mediated by ROS-induced activity of p38 MAPK [284, 310, 313, 314], PGC-1α [284, 310, 397, 401], TFAM [310, 314, 358, 397], NRF-1 [310, 358, 397], NRF-2 [358, 360], and NFE2L2 [358].
278. Tadaishi M., Miura S., Kai Y., et al. Effect of exercise intensity and AICAR on isoform-specific expressions of murine skeletal muscle PGC-1α mRNA: a role of β2-adrenergic receptor activation. American Journal of Physiology-Endocrinology and Metabolism. 2011;300(2):E341–E349. doi: 10.1152/ajpendo.00400.2010. [PubMed] [CrossRef] [Google Scholar]
Well my Bread wasn’t tall enough for say sandwich stuff, and I am not sure if I did anything wrong, I know I used the wrong sized bread pan so that is one thing. However, I couldn’t believe how great it tasted, it was more like a moist custard shortbread. The texture and color were perfect. I cut some thick slices and buttered both sides cooked them in a pan. I spread some sugar-free preserves on top, wow is that good. I may not have made it as intended but I can’t complain. The flavor is amazing.
I have a loaf cooling on the counter right now. I couldn’t wait to take a piece of it so I hacked a piece off after 5 minutes and tasted it. I don’t get it, it’s the closest thing to real bread but does’t have any wheat in it! How can the crust taste so good?! I’m on a low carb diet so I have suffered through all sorts of weird tasting bread. This one is chewy, with nooks and crannies for sauces and butter. Mine came out purple, but I think it’s a lovely color. I used the bulk psyllium husk powder at my local health food store.
Brandi, Oh no, I’m sorry to hear about such a severe allergy! We carefully tested and re-tested this recipe and this is the best version we came up with. In order to come up with a recipe that doesn’t use coconut flour, we’d have to play around with not only alternative flours, but also adjust the amount of liquid (because coconut flour absorbs more liquid than most other flours), and additionally, potentially alter the bake temperature and bake time as well. I have a recipe for Paleo Sandwich Bread on my other blog that doesn’t use coconut flour that you might be interested in: I hope this is helpful!