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Can a Plant-based Diet Improve your Fitness?

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“Plant-based” is definitely a buzzword these days. It has become popular to debate whether we can live off of (and enjoy) a plant-based diet. You know by now that there are many health benefits, but if you’re an active individual, you may be wondering if eating less animal-based proteins will have any impact on your overall fitness. Further, are there any considerations you need to make if you choose to be a plant-powered athlete? Before we get to answering those questions, let’s start off by clarifying what a plant-based diet actually is, so that we are all on the same page.


What is a “plant-based diet”?
People often have different interpretations of what “plant-based” eating looks like. Plant-based foods are those which come from plant sources such as legumes, soybeans, nuts, seeds, fruits, vegetables and grains. Some may think that a plant-based diet is equivalent to a vegan diet, meaning that it excludes all animal-derived foods. However, this is not true, and each person’s version of a plant-based diet may look a bit different. Depending on how you wish to follow a plant-based diet, you may still choose to include some animal foods.
While the focus is on plant-sourced foods, animal foods (like dairy, meat and eggs) can still be a part of a plant-based diet, albeit a smaller part.


What are the fitness and health benefits?
There is an abundance of research to support the health benefits of a plant-based diet. For example, by consuming foods from plant sources more often, we are more likely to meet our requirements for fibre. We need adequate fibre to support a healthy digestive tract, regulate cholesterol levels, and help to stabilize blood sugar levels. Foods such as fruits and vegetables are rich in micronutrients and antioxidants such as polyphenols and Vitamin C that keep our immune system strong. Plant foods are often lower caloric density than animal foods (such as many non-starchy vegetables like cucumbers, carrots, and greens) which means they can aid in maintaining a healthy weight. For active individuals, in particular, plant-based foods may have some specific benefits. Many plant foods, especially fruits and vegetables, contain antioxidants which can help to support training adaptations and recovery. These nutrients that are abundant in plant-based foods can help to decrease the inflammation and support muscle recovery and repair when included in a recovery meal or snack. Exercise naturally produces free radicals in the
body, causing mild (but natural inflammation). Antioxidants from plant-foods (like fruits and vegetables) work to reduce this inflammation, so if you are active you will have higher antioxidant needs, especially after an intense training session. Incorporating this fact can be as simple as….
·      Including some spinach in your post-workout smoothie
·      Adding a squeeze of lemon in your recovery water
·      Having a cooked sweet potato with your post-training egg white omelette
·      Having a NAGI protein bar, with added dried fruits (prunes + apricots) that are an awesome source of antioxidants!

Will choosing more plant-based protein to affect my “gains”?
Meat, fish and eggs often get all the credit for muscle building, but they shouldn’t! Plant-based foods are often touted as being low in enough protein; a macronutrient that we need to build, repair and maintain muscle mass (amongst other things!). However, there are many plant-based foods that are rich in protein. As long as you are getting a variety of amino acids from different sources, plant-based proteins will help build and stimulate muscle growth in the same manner as animal-based foods. Choosing plant-based sources of protein more often should not have a negative impact on your training and recovery. One thing to keep in mind though, is to choose lower-fat sources of plant-based proteins around your training sessions. The lower-fat options include tempeh, edamame beans, quinoa, and legumes (lentils, chickpeas, beans). The reason being that protein sources like nuts and seeds contain a good amount of fat. Although healthy fats are good for us, we
want to avoid consuming more than 5-10g of fat around our workouts because it may lead to some digestive distress (if eaten pre-workout) and slow down the digestion of fuel for our muscles (if eaten post-workout).
 
Which plant foods contain the highest amounts of protein?

Beans- Chickpeas, Lentils (also
contains carbs and fibre) ½ Cup 8-10g
Tempeh 2/3 cup 19g
Edamame Beans, Cooked ½ cup 11g
Almonds, Walnuts, Cashews, Brazil
nuts ¼ cup 7-8g
Pumpkin seeds, sunflower seeds ¼ cup 8g
Hemp Hearts 2 Tbsp 7g
Soy Milk 1 cup 8g
Tofu (Medium Firm to Firm) ½ cup 8g
Protein Powder (Brown Rice, Vegan,
Pea or Soy) 1 scoop 15-20g (check the label –
varies depending on
product)
NAGI Bars 1 bar 12g

Active individuals need around 1.3-2.0g of protein per kg of body weight, and sometimes more if they are very active (ie. doing multiple workouts in a day, running long distances or lifting very heavy weights).

We want to aim for at least 20-25g of protein in our meals, and 8-10g in our snacks to help keep us full and fueled. As you can see from this chart, there are lots of fantastic sources of plant-based protein!

What are some good “plant-based” pre or post-workout snack/meals?
 
- Oatmeal + vegan protein powder
- Tofu scramble with sweet potato
- Roasted chickpeas
- Banana + soymilk
- Recovery smoothie: spinach, coconut water, banana, frozen berries, hemp hearts
- Toast + PB2
- Edamame beans + grain bowl
- 1 of your favourite NAGI protein bars! ;)


Some Considerations
 If you choose to be vegan or vegetarian, there are some nutrients that you need to be mindful of getting enough of in your diet especially if you are active. These include iron, Vitamin B12, Zinc, and calcium. The best way to ensure you are getting enough of these nutrients is to eat a variety of plant-based proteins (nuts, seeds, legumes, grains, and soy products) on a daily basis. Another consideration is that many plant-based foods are also very high in fibre. While this can be a good thing for the average individual, this may pose a challenge to individuals with high energy and protein needs in order to maintain or build a high level of lean muscle mass (eg. weight-lifters, bodybuilders). It may be difficult to meet their requirements without experiencing the trials of excess fibre from plant foods (eg. gas, bloating, etc… no fun!). In addition, as many plant-based foods and protein sources tend to be lower in calories, some athletes and active individuals may fail to meet their required daily energy needs due to lack of adequate planning, which can have negative impacts on training and recovery. For supplement considerations and to ensure you are meeting your individual needs (for protein, calories and other nutrients), consider hiring a dietitian with a specialty in sports nutrition for personalized support and nutrition planning.

Summary

I hope you enjoyed today's discussion on a plant-based approach to fitness. As you can see, there are lots of benefits to a plant-based diet for fitness!

 

https://www.foodnetwork.com/healthyeats/diets/2018/5/does-a-plant-based-diet-mean-eating-vegetarian-

 

By Leigh Merotto, Registered Dietitian  MHSc

www.leighmerotto.com 

@leighmerotto_rd

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