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The Remarkable Benefits of Oats: A Clinical Dietitian’s Perspective

Oats have always held a special place in our diet, and in this article, you’ll understand why. Additionally, you’ll discover three new healthy and delicious oat recipes, including the famous overnight oats.

Oats Benefits

For over 30,000 years, oats have been a dietary staple, with various tools used to process them. Compared to most cereals, oats boast higher protein and lower carbohydrate content. They provide essential minerals like manganese, zinc, phosphorus, and magnesium, along with vitamins such as folate, B1, and B5. Additionally, oats contain unique nutrients uncommon in most foods:

  • Rich in beta-glucans, a type of fiber known for its medicinal properties.
  • Contains avenanthramides, a group of polyphenols with high antioxidant potential.

Let’s delve into some of the well-documented benefits of oats:

1) Improves Heart Health

Studies show that individuals who consume more oats have a lower risk of coronary heart disease compared to those who consume wheat. This benefit is attributed to multiple mechanisms. Avenanthramides in oats increase the production of nitric oxide, a potent vasodilator that reduces blood pressure and protects against coronary heart disease. Oat consumption also reduces inflammation markers, another significant risk factor for cardiovascular issues.

2) Reduces Diabetes Risk

Oat consumption aids in blood sugar control and lowers glycosylated hemoglobin levels, partly due to its beta-glucan content. This may reduce the risk of type II diabetes. Avenanthramides in oats also improve metabolic profiles by reducing inflammation and enhancing endothelial function.

3) Boosts the Immune System

Oats contribute to better immune function by providing essential nutrients for immune regulation, such as glutamine, selenium, zinc, and copper. Beta-glucans enhance microbiota diversity and butyrate production, thus modulating the immune system. Consuming beta-glucans has been shown to reduce infection risk, and early oat consumption in children correlates with a lower risk of asthma later in life.

4) Aids in Weight Loss

Numerous studies demonstrate that oats reduce appetite and increase satiety more than other cereals, helping to control calorie intake. Individuals who consume more oats tend to have lower rates of overweight. Oat consumption has been linked to fat loss, even in diabetic individuals, both short and long-term.

Types of Oats

Oats are available in various forms, each retaining its nutrients, fiber, and beneficial compounds:

  • Oat groats: Whole, uncooked oats or lightly toasted.
  • Rolled oats: The most common form, obtained by pre-cooking and flattening oat groats.
  • Instant oats: Similar to rolled oats but finely chopped for quicker cooking.
  • Oat flour: Ground rolled oats, suitable for bread or desserts.

Additionally, oat bran, the outer layer of the grain, remains after oat refinement, primarily used as a supplement for its potential benefits against constipation.

Recipes with Oats

Aside from being highly nutritious, oats are incredibly versatile. Here are three examples:

1) Baked Chocolate and Blueberry Porridge


  • 50g rolled oats
  • 10g hazelnuts
  • 20g erythritol or honey
  • 0.5g ground cinnamon
  • Pinch of salt
  • 5-8g baking powder
  • 1 ripe banana
  • 1 egg
  • 15ml milk or unsweetened almond milk (plus extra for serving)
  • 5ml vanilla essence (optional)
  • 15g dark chocolate (85-90%)
  • 30g blueberries

2) Overnight Oats (with Turmeric and Cinnamon)


  • 30g rolled oats
  • 120ml milk or plant-based beverage
  • 1g turmeric
  • 1g cinnamon
  • 10-15g erythritol or 15-20g honey
  • 20g vanilla or neutral whey protein (optional)
  • A pinch of salt (optional)
  • 10g almonds
  • 2 dried apricots (optional)
  • 60g raspberries or yellow nectarine

3) The New Yorker Overnights

A collaboration with La Newyorkina, these overnight oats offer a complete and healthy breakfast solution:

  • 50-80 grams of overnight oats
  • Liquid of your choice: water, milk, or plant-based milk (adjust ratio to preferred consistency)
  • Mix, refrigerate overnight, and enjoy!

Oat Soaking: Is It Necessary?

Soaking oats for several hours can degrade some phytates, improving mineral absorption. While this may be relevant, especially in diets rich in nutrient-dense foods, oats are not necessarily harmful in their unsoaked form. Phytates may act as antioxidants and are being studied for potential anti-cancer therapies.

Does Oats Contain Gluten?

Oats are naturally gluten-free but contain a similar protein called avenin. Most individuals with celiac disease tolerate avenin well. However, for those with gluten sensitivity, certified gluten-free oats are recommended to avoid potential cross-contamination.

Is Oat Inflammatory?

On the contrary, clinical trials indicate that oats reduce various inflammation markers. However, individuals with intestinal issues may experience discomfort, suggesting starting with small doses.

In conclusion, oats offer a plethora of health benefits, making them a valuable addition to any diet. Whether enjoyed as a hearty breakfast or incorporated into creative recipes, oats provide essential nutrients and contribute to overall well-being.


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