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What ingredients should you avoid in oat milk? A guide to making healthier choices

4 min read

According to a 2023 report by the Environmental Working Group (EWG), glyphosate residue was detected in all 14 non-organic oat-based products they tested. Understanding what ingredients should you avoid in oat milk is therefore crucial for anyone seeking a truly wholesome and healthy plant-based option for their diet.

Quick Summary

Many store-bought oat milks contain undesirable additives like inflammatory oils, added sugars, and emulsifiers. This guide helps consumers identify and avoid these hidden ingredients by reading product labels carefully.

Key Points

  • Prioritize short ingredient lists: Fewer ingredients generally mean less processing and fewer unwanted additives like gums and preservatives.

  • Avoid added sugars: Opt for unsweetened varieties to minimize blood sugar spikes and chronic inflammation.

  • Watch for gums and emulsifiers: Thickening agents like gellan gum and xanthan gum can cause digestive issues, while carrageenan has more serious potential side effects.

  • Check for organic certification: Choose organic oat milk to avoid potential glyphosate residue from conventionally grown oats.

  • Be wary of inflammatory oils: Some brands add vegetable oils like rapeseed or sunflower oil for creaminess, which can increase inflammatory omega-6s.

  • Ditch artificial flavors: 'Natural flavors' can be synthetically enhanced; choose products with no flavoring or use your own whole ingredients.

  • Minimize sodium content: Many additives contribute to higher sodium levels, so check the label if you are on a salt-restricted diet.

In This Article

The popularity of oat milk has soared in recent years, with consumers drawn to its creamy texture and versatility. As a dairy alternative, it offers a great option for those with lactose intolerance, dairy allergies, or who prefer a plant-based lifestyle. However, not all oat milks are created equal. While a simple, minimally processed oat milk contains just oats and water, many commercial brands include a laundry list of extra ingredients to enhance flavor, texture, and shelf life. For health-conscious consumers, understanding the ingredients to watch out for is key to making a truly nutritious choice.

Understanding Additives in Oat Milk

When purchasing a carton of oat milk from the supermarket, it is essential to read the ingredient list beyond the eye-catching label on the front. Many manufacturers use additives to improve the product's taste and mouthfeel, but these can come with potential health concerns.

Added Sugars and Sweeteners

One of the most common issues with store-bought oat milk is the high amount of added sugar. Even some 'unsweetened' versions can contain a surprisingly high sugar content due to the enzymatic process used to break down oat starches into simple sugars like maltose. While this adds a natural sweetness, it also gives oat milk a high glycemic index, which can cause blood sugar spikes, particularly for individuals with insulin resistance or diabetes. Other brands add cane sugar or syrups to their flavored varieties, further increasing the sugar load.

Gums and Emulsifiers

To create a smoother, creamier consistency and prevent separation, manufacturers often add thickeners and emulsifiers. Common culprits include gellan gum, xanthan gum, guar gum, and lecithin. While generally recognized as safe, these additives can cause digestive issues like bloating, gas, and diarrhea in some people. Carrageenan, a controversial thickener derived from red seaweed, has been linked to gastrointestinal inflammation in animal studies.

Inflammatory Vegetable Oils

Some brands add vegetable oils, such as rapeseed (canola) oil or sunflower oil, to their oat milk to increase creaminess and fat content. These oils are often high in omega-6 fatty acids, and a high intake of omega-6 can contribute to inflammation in the body. Furthermore, these added oils add calories but offer little nutritional value beyond the natural fats that would come from whole oats. Healthier options prioritize minimal or no added oils.

Glyphosate and Pesticide Residues

Conventional oat crops are frequently treated with the herbicide glyphosate, or Roundup, to dry them out before harvesting. Residues from this pesticide can end up in the final oat milk product. The World Health Organization has classified glyphosate as a 'probable carcinogen,' and it has been linked to other health concerns. To minimize exposure to this and other pesticides, it is best to choose oat milk made with organic or certified glyphosate-free oats.

Artificial and Natural Flavors

Many commercial brands use 'natural flavors' to enhance the taste profile of their products. However, the term 'natural' can be misleading, as these flavors can be synthetically enhanced and may cause issues for people with allergies or sensitivities. Opting for an oat milk with no added flavors, or a simple ingredient list that explicitly states real vanilla extract, is a safer bet.

How to Choose a Healthier Oat Milk

Selecting a healthier oat milk is simple if you know what to look for. Follow these tips to ensure you are getting the most nutritious option for your needs:

  • Read the label carefully: Look for a product with the shortest, simplest ingredient list possible. The ideal oat milk contains only water, oats, and perhaps a pinch of salt.
  • Choose unsweetened varieties: Check the 'Added Sugars' line on the nutrition label and aim for zero grams.
  • Opt for organic: By choosing oat milk made from organic oats, you significantly reduce the risk of consuming pesticide residues like glyphosate.
  • Avoid unnecessary oils: Select brands that do not use added vegetable oils to avoid excess calories and potentially inflammatory omega-6 fatty acids.
  • Consider making your own: For maximum control over ingredients, making oat milk at home with organic, whole grain oats is the best option. It is a simple process that requires just a blender, a strainer, and a few minutes of your time.

Comparison of Oat Milk Options

Feature Healthier, Minimal-Ingredient Oat Milk Processed, Conventional Oat Milk
Core Ingredients Water, organic whole grain oats, sea salt Water, conventional oats, sugars, oils, various additives
Added Sugars 0g added sugar Variable, can be high even in 'plain' varieties
Gums/Emulsifiers None added Contains gellan gum, xanthan gum, lecithin
Added Oils Minimal to none Can contain inflammatory oils like rapeseed/sunflower
Pesticide Risk Minimal (certified organic/glyphosate-free) Potential for glyphosate residue
Nutritional Profile High in fiber, with natural beta-glucans intact Lower in fiber, potentially higher GI due to processing

Conclusion

While oat milk offers a fantastic dairy-free option, the health benefits can be undermined by the addition of unnecessary and potentially harmful ingredients. By becoming a mindful label reader, you can easily determine what ingredients should you avoid in oat milk, prioritizing products with short, simple ingredient lists that feature organic, whole grain oats. Avoiding added sugars, inflammatory oils, and controversial additives like gums and carrageenan ensures your plant-based beverage truly contributes to a healthy diet. When in doubt, making your own at home remains the gold standard for purity and nutritional control.

For further information on food additives and healthy eating, visit the EWG's website on oat-based products.

Frequently Asked Questions

Oat milk can contain added sugar for two reasons: some brands add cane sugar or other sweeteners for flavor, while others use enzymes during processing that break down oat starches into simple, labeled 'added' sugars like maltose.

Gums and emulsifiers like gellan gum, xanthan gum, and lecithin are thickening agents used to give oat milk a creamy texture and prevent ingredients from separating. While generally safe, some people may experience digestive discomfort from them.

The safety of carrageenan is controversial, with some research linking it to gastrointestinal inflammation and discomfort. Though the FDA considers food-grade carrageenan safe, it's a common additive to consider avoiding, especially if you have a sensitive digestive system.

Glyphosate is a herbicide used on conventional oat crops, and residues can end up in the final product. To minimize exposure to this potentially carcinogenic chemical, it is best to opt for organic oat milk.

Yes, some oat milks, especially processed and sweetened varieties, can cause blood sugar spikes. This is due to the natural sugars (like maltose) produced during the manufacturing process and any added sugars.

The term 'natural flavors' can be ambiguous and may hide other additives or synthetic enhancements. For the purest product, choose an oat milk with no added flavors or make it yourself.

The healthiest oat milk is typically one with the fewest ingredients, ideally just water and organic whole grain oats. Making your own at home is the best way to ensure there are no unwanted additives.

No, it is generally best to avoid oat milk with added oils like rapeseed or sunflower oil. These are added for creaminess but can be high in inflammatory omega-6s and offer little nutritional benefit.

References

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Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.