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What Is Textured Vegetable Protein or TVP? | Ask The Fitness Nerd

What Is Textured Vegetable Protein (TVP) And Where Does This Mysterious Vegetable Protein Come From? We Unlock The Secrets of This Common High-Protein Food Ingredient

Dear Fitness Nerd,

I’ve been reading ingredient labels a lot more lately and trying to eat cleaner and healthier. I’ve come across something a number of times called “textured vegetable protein.” What is textured vegetable protein? What is it made out of (I assume vegetables) and is it considered a clean eating food? Thanks for your help! — Karen (St. Louis, MO)

You’re right, textured vegetable protein, also known as TVP or “textured soy protein“, is a fairly common ingredient in all kinds of pre-prepared foods and mixes — especially meatless or vegetarian foods. While you’ll typically see textured vegetable protein in a list with other ingredients, you can purchase the stuff in bulk on its own at health food stores.

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Taking Protein Before Bed? When & What Kind of Protein? | Ask The Fitness Nerd

When is the best time to take protein before bed? And what kind of protein should you take before you sleep?

Dear Fitness Nerd,

How soon before bed should I drink protein? Right before, or a specific number of minutes before before I actually go to sleep? Thanks! — Bob

The issue here is less about the timing of when to take protein before bed, as it is what kind of protein to take before you go to sleep.

You should try to consume your last serving of protein as close to your bedtime as is comfortable for you. Whether that’s a protein shake before bed, or a whole food souce of protein before sleep is up to you.

Some people experience no problems eating and then immediately going to sleep, while other people find sleeping on a “full stomach” uncomfortable. If you find that taking a protein-heavy snack right before bed interferes with falling asleep, then give yourself at least 30-40 minutes between the snack and bedtime.

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SoLo Low-Glycemic Nutrition Bars | Energy and Protein Bar Reviews

The endorsements for SoLo Nutrition Bars from athletes are impressive, but how does this low-glycemic nutrition bar hold up in the taste and nutrition department? 

SoLo Bar Rating

Scale: 1-5 (1 Being Worst and 5 Being Best)

Flavor: 4
Texture: 3
Nutritional Profile: 4.5
Overall Rating: 3.8

Would You Eat It Again? Yes.

Price: $1.99

I’ve had box of SoLo Nutrition Bars sitting in my panty for a couple of months now.

My plan was to include them next round of head-to-head energy and protein bar reviews (which I still plan on doing), but then a week ago before my usual 5K run, I needed a quick pick-me-up.  A protein shake just wasn’t cutting it, so I decided to dig in early and try out one of the SoLo Bars.  Afterall, if they are good enough for Paul Tichelaar, member of the Canadian Olympic Triathalon Team, I figured they’d be fine for my measly little 3.1 mile run.

So I gave in, broke the seal on the box, and grabbed a Chocolate Charger.
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Who Is SoLo Nutrition?

SoLo Nutrition Bars are manufactured and marketed by SoLo GI Nutrition in Edmonton, Alberta, Canada.  According to the company’s website, SoLo GI Nutrition is planning on developing a series of low-GI specialty performance foods and snacks, with SoLo Nutrition Bars being the first of these products.

SoLo Nutrition Bars: High Performance Nutrition?

SoLo’s unique claim to fame is that unlike many energy bars, the SoLo bars are formulated to reduce glycemic load on the body. Glycemic load is a measure of how a carbohydrate raises blood glucose (blood sugar) levels.

While this might seem like a marketing hook, there are actually some very solid, practical nutritional reasons why you might want to choose a nutrition and energy bar that minimizes blood glucose spikes. While blood glucose spikes can deliver a quick burst of power, rapid increases in blood sugar levels also have a tendency to cause energy crashes later on — exactly not the thing you want to happen during any type of endurance activity, like running, biking or even working out at the gym.

The manufacturers of SoLo Energy Bars claim that their particular low-glycemic nutrition bars are formulated to have minimal impact on blood sugar levels, providing more sustained energy to power your performance, exercise or endurance activity. They call this “Controlled Energy Response”, which is really just marketese for “slow-burning carbs.”

What you need to understand is that most energy and nutrition bars are extremely high in simple sugars, which make them suitable for post-workout nutrition when insulin sensitivity is increased and the body can more effectively utilize carbohydrates.

However, the high sugar content doesn’t make them as well suited as a pre-workout snack, when complex carbohydrates are the preferred source of sustained energy. And most energy bars are also too high in simple sugars to make them a smart choice for in-between meal snacking at the office. In fact, some “nutrition” bars are so high in sugar, that you’d be just as well off to grab a Snickers bar.

SoLo claims that their nutrition bars cause blood sugar to rise more slowly than the average energy bar, and those levels are sustained for longer periods of time.

According to SoLo’s literature, the first rise in blood sugar with a SoLo Bar occurs over a period of about 60 minutes, and then begins to trail off gradually over 180 minutes.  This is much less pronounced than the spike you see with high-sugar, high-glycemic energy bars, where the initial blood sugar spike takes place in a very short window — typically within 30-40 minutes of ingesting the bar, and then drops back to pre-consumption levels within 60-90 minutes.

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What’s The Best Time to Drink Protein Shakes? Ask The Fitness Nerd

When should you drink a protein shake? Today we tackle the question of what’s the best time to reach for that protein shake.

Dear Fitness Nerd:

I’ve read a lot about the benefits of protein shakes, especially when it comes to building muscle and becoming leaner. But I’ve seen conflicting advice on when the best time is to drink protein shakes, and how often I should be consuming them. Some people say right before you workout, others say immediately following your workout, and some people seem to drink them 3-4 times a day or more. I’m confused. Can you help clear this up? Thanks. Sarah M. (Albany, NY)

Sarah,

This is a great question.  

The first thing to realize is that protein shakes are intended to be supplemental to your regular whole meals — not replacements for whole meals. So if you view it that way, you should typically be consuming no more than 2-3 shakes a day on your workout days, and 1-2 (if any) protein shakes on your non-workout days.

In general, the two most critical times for drinking a protein shake are:

1. First thing in the morning
2. Immediately following your resistance or weight training workout.

Why first thing in the morning?

Well, when you wake up, you have essentially been in a fasted state for the past seven to eight hours. That means you’ve had no protein during this time and you are at risk for becoming catabolic (meaning you’ll start to break down muscle for fuel.) By drinking a protein shake with some simple carbs (like orange juice or a banana blended in) as soon as you wake up, you can stop this muscle breakdown dead in its tracks and put yourself back in “positive nitrogen balance” — a fancy term that simply means you have more protein available for your body than what it is using for fuel or excreting.

The second key window of opportunity for drinking a protein shake is immediately following your resistance or weight training workout.

During this 30-60 minute post-workout window, your muscles are like sponges and take up nutrients — including protein — very quickly as part of the repair and recovery process. Your body also utilizes carbohydrates more efficiently during this period, due to increased insulin sensitivity, so drinking your protein shake with some simple carbs can help the body more efficient absorb amino acids and utilize them for ongoing tissue repair and growth.

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