Most people think that fast food and keto don’t go well together.
That’s generally true, but guess what?
If you approach the matter in a smart way, you’ll be able to enjoy a meal at your local McDonald’s without rocketing yourself out of ketosis after the first bite.
Here’s exactly how.
The annoying thing about fast food on the ketogenic diet is that you’ll have to be really meticulous with your numbers. To the last gram.When it comes to keto, every single carb molecule counts, so keep an eye on them.Also, make yourself comfortable with the idea that you’ll be very limited in terms of what you’ll be able to eat.That said, let’s jump to action!
To effectively maintain nutritional ketosis, your goal is to get no more than 5% of your daily calories from carbohydrates. But how much would that be, exactly?
To learn that, you’ll have to start by calculating your Basal Metabolic Rate, which is basically your daily calorie expenditure if you lay in bed all day and do nothing at all.
BMR = 66 + (13.75 * weight in kg) + (5 * height in cm) - (6.8 * age in years)
BMR = 66 + (6.2 * weight in pounds) + (12.7 * height in inches) - (6.8 * age in years)
BMR (kcal) = 655.1 + (9.563 * weight in kg) + (1.850 * height in cm) - (4.676 * age in years) Imperial:
BMR (kcal) = 655.1 + (4.35 * weight in pounds) + (4.7 * height in inches) - (4.7 * age in years)
After doing the calculation above, multiply the result by 0.05 (the maximum daily limit for carbs in percents) to get your number in kilocalories.
For example, my BMR is 1776 kilocalories, so my daily limit for carbs in order to stay in ketosis is 1776 * 0.05 = 88.8 kcal.
Pro Tip: If you want your numbers to be even more accurate, you’ll have to adjust your BMR for physical activity. More details in one of our previous articles, How to Calculate Your Macros
Since most meals at any fast-food restaurant have quite a lot of carbs, it’s important to know how much you can allow yourself to eat if you want to stay in ketosis.
For example, let’s say I eat 85 of my daily carb-kilocalories in the morning at McDonald’s. Perfectly fine, since that’s under my allowed limit. But then let’s say I accidentally go over the remaining 3.8 by eating a perfectly healthy food later in the day, because that minuscule number of carbs is really easy to overlook. Bam, I’m not in ketosis anymore.
Would that meal at McDonald’s be to blame? Of course not. Would my bad math be? Absolutely.
The solution is simple: I like to leave myself 20% of remaining carb space, just to make sure I won’t break it with other meals throughout the day. So, out of my 88.8 carb kilocalories, I can eat about 71 on any given day in any fast-food. Since one gram of carbs provides about 4 kilocalories, we’re talking about roughly 18 grams of carbs per day.
The only reliable source or nutrition facts regarding the meals at any fast-food restaurant is the said restaurant’s official website (or brochure / poster, if we’re talking about a physical resource.)
Any other source could have old or inaccurate data.
Now let’s get to the tasty part and pick something to eat.
I’ll be using the US McDonald’s Nutrition Calculator to see if I can find something to snack under 71 calories (or 18 grams of carbs).
Bacon Ranch Grilled Chicken Salad - 8 g
Side Salad - 3 g
French fries - one pack makes about 29 g, so eating under a half (about 14 g carbs total) should be fine
Chicken & Sandwiches
Chicken McNuggets (4 pieces) - 11 g
Hash browns - 16 g
All burgers at McDonald’s are extremely rich in carbs, so you’ll be able to enjoy them only if you have a really high daily carb limit that would allow this food or… If you’re prepared to eat it without the top bun. Or both buns, since that’s where the lion’s share of the carbs is. But let’s face it: a burger without the buns is a bit of a blasphemy.
Cappuccino - 9 g
Latte - 13 g
Americano - 0 g
Diet Coke - 0 g
Iced Tea - 0 g
Water - 0 g
Examples of meals:
Bacon Ranch Grilled Chicken Salad + Cappuccino = 17 g
Chicken McNuggets (4 pieces) + Side Salad + Diet Coke = 14 g
Half a pack of French Fries + Side Salad + Iced Tea ~ 17 g
You CAN go to McDonald’s without compromising your ketosis. The problem is you’ll have to go through quite a lot of counting calories and planning your meals for that, so see for yourself if it’s worth the trouble.
Most likely, opting for some healthy meals cooked with high-quality ingredients would be better than eating at a fast-food restaurant, but hey—sometimes you just have to grab a snack on the go. If that’s the case, our recommendation is to pick one of the salads mentioned above and a carb-free drink. This should be enough to help you get home and eat something delicious and keto-safe!
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To understand the difference between lazy and dirty keto better, you must first comprehend what happens on a standard keto diet. Generally, when you are on a regular ketogenic diet, you consume at most 5% carbs, 20% protein, and 75% fat. The typical keto diet restricts carbs intake to put your body into a metabolic state known as ketosis. When you are in ketosis, your body reaps numerous benefits such as reduced inflammation and weight loss.
The ketogenic diet is one of the strictest eating regimes out there.
Yes, it will be a tricky task, but not an impossible one.
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