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Finding the Lowest Fat Plant Milk? A Nutritional Guide

4 min read

With the global plant-based milk market expanding, finding a suitable dairy alternative has never been easier. For those watching their fat intake, the question of which is the lowest fat plant milk is a common one, and the answer often points towards unsweetened almond and rice varieties.

Quick Summary

This nutritional guide compares popular plant-based milks to identify the options with the lowest fat content. It highlights unsweetened almond and rice milks, discusses key factors like fortification, and provides a comparative table to inform your dairy-free choices.

Key Points

  • Almond Milk Is a Top Low-Fat Option: Unsweetened almond milk generally has one of the lowest total fat and calorie counts among popular plant milks.

  • Unsweetened Varieties Are Key: Always choose the unsweetened version of any plant milk to keep fat and sugar content to a minimum, as sweetened versions add significant calories.

  • Rice Milk is Also Low in Fat: While higher in carbohydrates and lower in protein, unsweetened rice milk is another very low-fat choice, and is also hypoallergenic.

  • Check for Fortification: Many low-fat plant milks are naturally low in nutrients like calcium and vitamin D, so look for fortified options to ensure a balanced nutritional intake.

  • Low Fat Often Means Low Protein: Be aware that the plant milks with the lowest fat content, such as almond and rice, are also typically very low in protein.

  • Consider the Full Nutritional Profile: Don't just focus on fat; weigh other factors like protein, carbohydrates, fortification, and fat quality (e.g., unsaturated fats vs. saturated fats).

In This Article

Understanding Fat Content in Plant-Based Milks

When exploring plant-based milk alternatives, it is crucial to understand that their nutritional profiles can vary significantly. Unlike dairy milk, which has standardized fat percentages (e.g., skim, 1%, 2%, whole), the fat content in plant milks depends heavily on the source ingredient, processing methods, and added ingredients.

For example, milks derived from nuts like almonds and cashews tend to be naturally lower in calories and fat because they are mostly water. The percentage of the source ingredient can vary widely by brand (from 2% to 14% for almonds), and additives like thickeners and gums are often used to improve texture. Conversely, milks made from high-fat ingredients, such as coconut, naturally have a higher saturated fat content. The most significant factor influencing fat and calorie count, however, is whether the product is sweetened or unsweetened. Always check the nutrition label to be certain of the specific product's content.

The Lowest Fat Contenders: Almond, Rice, and Cashew Milks

Based on typical nutritional data for unsweetened varieties, a few plant milks consistently rank at the bottom for fat content:

  • Unsweetened Almond Milk: This is frequently cited as one of the lowest-fat, and by extension, lowest-calorie plant milks available. Most unsweetened versions contain around 3g of total fat per cup. However, it is also very low in protein and other nutrients unless fortified.
  • Rice Milk: Another low-fat option, unsweetened rice milk has about 2g of fat per cup. It's also the least allergenic option, making it a good choice for people with multiple food sensitivities. On the downside, rice milk is very low in protein and fibre, and typically higher in carbohydrates and natural sugars than other plant milks.
  • Unsweetened Cashew Milk: Similar to almond milk, unsweetened cashew milk is also very low in fat and calories. Its fat content is typically in the same range as almond milk. It is prized for its rich, creamy texture, which can be a bonus for recipes that require a fuller mouthfeel without the extra fat.

Other Popular Plant Milk Options

Beyond the absolute lowest-fat options, other plant milks offer a different nutritional balance:

  • Soy Milk: A long-standing alternative, soy milk is notable for its high protein content, often comparable to cow's milk. It is low in saturated fat and contains heart-healthy unsaturated fats, but its total fat (around 4g per cup) is slightly higher than almond or rice milk.
  • Oat Milk: This option is popular for its creamy texture but has a higher carbohydrate and fibre content than most nut milks. Fat content can vary by brand, from 1-5g per cup, with 'barista' versions generally having higher fat for better frothing. Oat milk also contains beta-glucans, a soluble fibre that helps lower cholesterol.
  • Hemp Milk: Made from hemp seeds, this milk has a slightly earthy flavour. Its fat content is around 5g per cup, but it's rich in polyunsaturated fats, including omega-3 and omega-6 fatty acids, which are beneficial for heart health.
  • Coconut Milk Beverage (Carton): The drinkable version of coconut milk is significantly diluted compared to the canned variety. While it is lower in protein, it is notable for its higher saturated fat content compared to other plant milks.

Comparison of Plant-Based Milks (Unsweetened)

Milk Type Calories (per cup) Total Fat (g) Protein (g) Carbohydrates (g)
Almond ~40 ~3 ~1 ~1-2
Rice ~120 ~2 <1 ~22
Cashew ~25 ~2 Negligible Negligible
Soy ~80 ~4 ~7 ~4
Oat ~120 ~5 ~3 ~16
Hemp ~60 ~5 ~4 ~1
Coconut (Carton) ~50 ~5 ~0 ~2

Beyond the Fat: Considering the Whole Nutritional Picture

While fat content is a primary concern for some, it's essential to look at the entire nutritional profile. Here are some factors to consider:

  • Fortification: Many plant milks are fortified with calcium, vitamin D, and B vitamins to make them nutritionally comparable to dairy milk. Non-fortified versions, often organic, may lack these important micronutrients. Check the label to ensure you're getting the vitamins and minerals you need.
  • Protein and Other Macronutrients: If you rely on milk for protein, options like soy or pea milk are superior. However, if your diet is well-rounded and you get protein from other sources, the low protein content of almond or rice milk might not be a concern. Likewise, be mindful of carbohydrate and sugar content, especially in rice milk, which can be naturally higher even when unsweetened.
  • Fat Quality: Not all fat is equal. While coconut milk is higher in saturated fat, the medium-chain triglycerides (MCTs) it contains are metabolized differently and can offer unique health benefits. Other plant milks like soy and hemp contain healthy polyunsaturated fats.
  • Taste and Texture: Your personal preference matters. Almond milk has a thin consistency, while cashew and oat milks offer a creamier texture. The best milk for you is one you enjoy and can consistently incorporate into your diet.

Making the Right Choice for Your Diet

Choosing the lowest fat plant milk ultimately depends on your individual health goals and taste preferences. While unsweetened almond and cashew milks offer the lowest total fat and calories, they lack the protein of soy milk. Rice milk is hypoallergenic but higher in carbs. For most people seeking the absolute lowest-fat, unsweetened almond milk is a reliable choice. However, considering all nutritional factors—including fortification, protein, and taste—ensures you find the right fit for your diet.


An authoritative resource for further comparison of plant milks and their nutritional information is provided by Dietitians Australia.

Frequently Asked Questions

Unsweetened almond milk is one of the lowest fat plant milks, typically containing around 3g of fat per cup. Unsweetened cashew and rice milks are also very low in fat.

Sweetened varieties do not typically affect the fat content, but they add significantly to the sugar and calorie count. Always opt for unsweetened if you are watching your sugar intake.

Unsweetened rice milk is also very low in fat, often around 2g per cup. However, it is also very low in protein and higher in carbohydrates compared to almond or soy milk.

Coconut milk contains saturated fat from the coconut flesh itself. While drinkable carton versions are diluted, they still contain a higher saturated fat content than most other plant milks.

While low-fat options work, many people prefer oat milk for coffee due to its creamy texture and mild flavor. Some brands offer 'barista' versions with slightly higher fat content for better frothing.

For weight management, it is most important to manage overall calorie intake. Choosing a low-fat, unsweetened milk can help reduce total calories, but focusing on a balanced diet is more important.

The lowest-fat plant milks, such as almond, rice, and cashew, are also typically very low in protein (less than 2g per cup). If protein is a priority, soy or pea milk are better choices.

References

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Medical Disclaimer

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