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How many carbs are in wakame?

4 min read

According to the USDA, a standard two-tablespoon (10-gram) serving of raw wakame seaweed contains less than one gram of carbohydrates, confirming its status as an exceptionally low-carb food. This makes understanding how many carbs are in wakame crucial for those managing their intake, especially for low-carb or ketogenic diets.

Quick Summary

Wakame seaweed contains minimal carbohydrates, with most of its structure consisting of complex carbs, fiber, and trace sugars. It is a highly nutrient-dense food packed with essential minerals like iodine and manganese.

Key Points

  • Extremely Low Carb: A standard 10-gram serving of raw wakame contains less than one gram of total carbohydrates, making it ideal for low-carb diets.

  • Additive-Free is Best: While plain wakame is low-carb, many prepared salads add sugar, so opt for preparing it yourself to control carb content.

  • Rich in Minerals: Wakame is a fantastic source of essential minerals, including iodine, manganese, folate, and calcium.

  • Good for the Thyroid: Its high iodine content supports thyroid function, but moderation is advised to prevent over-consumption.

  • Supports Weight Loss: Wakame contains fucoxanthin, a compound with potential fat-burning and metabolism-boosting properties.

  • Versatile Ingredient: It can be easily added to many dishes like soups and salads for a nutritional boost and unique flavor.

In This Article

The Low-Carb Profile of Wakame

Wakame is a dark green, edible seaweed highly valued in Japanese and Korean cuisines for its delicate, slightly sweet flavor. For those monitoring carbohydrate intake, it is a particularly favorable ingredient due to its remarkably low-carb count. A typical 10-gram serving of raw wakame, which is roughly equivalent to two tablespoons, contains approximately 0.9 grams of total carbohydrates. This low number is especially beneficial for those following a keto or very low-carb lifestyle.

Most of the carbohydrates present in wakame are starches, which are complex carbohydrates. It also contains a small amount of dietary fiber and less than one gram of sugar per serving. While the carb content is low, the nutritional value is high, offering a range of important vitamins and minerals in a calorie-minimal package.

Raw vs. Prepared Wakame: Watch for Additives

The way wakame is prepared can significantly alter its carbohydrate and calorie content. Plain, raw, or dried wakame is consistently low-carb. However, many commercially prepared dishes, such as seaweed salad (often called chuka wakame), can have a much higher carb count. These ready-to-eat salads frequently contain added ingredients like sugars, high-fructose corn syrup, and flavored marinades, which inflate the overall carbohydrate and calorie values. For example, some prepared seaweed salads may contain more than 5g of net carbs per serving. If you are concerned about your carb intake, it is always best to check the nutritional label or prepare wakame dishes at home to control the ingredients.

Beyond Carbohydrates: Wakame's Nutritional Powerhouse

Beyond being a low-carb food, wakame is a nutrient-dense powerhouse. It provides a wide spectrum of essential vitamins and minerals that contribute to overall health. Incorporating wakame into your diet offers benefits that extend well beyond macronutrient management. A standard serving is an excellent source of several key nutrients.

Wakame's Mineral-Rich Profile

Here is a list of some of the key nutrients found in wakame:

  • Iodine: Wakame is one of the best natural sources of iodine, a mineral critical for thyroid hormone production and metabolism. However, this also means it should be consumed in moderation to avoid excessive intake.
  • Manganese: This mineral is important for bone health, collagen production, and antioxidant function.
  • Folate (Vitamin B9): Crucial for cell growth and the formation of DNA, particularly important during pregnancy.
  • Magnesium: Essential for muscle and nerve function, blood glucose control, and blood pressure regulation.
  • Calcium: Supports strong bones and teeth, with some research indicating seaweed may have higher concentrations of calcium than milk.
  • Fucoxanthin: This potent antioxidant and carotenoid, found in brown seaweeds like wakame, has been studied for its potential role in boosting fat metabolism and aiding weight loss.
  • Omega-3 Fatty Acids: Wakame provides eicosapentaenoic acid (EPA), a type of omega-3 fatty acid known for its anti-inflammatory effects and benefits for heart health.

Wakame vs. Other Seaweeds: A Carbohydrate Comparison

To put wakame's low-carb status in perspective, here is a comparison with other popular types of edible seaweed. The nutritional values below are for 100g servings of raw or rehydrated seaweed:

Seaweed Type Carbohydrates (per 100g) Protein (per 100g) Fat (per 100g)
Wakame ~9.1 g ~3.0 g ~0.6 g
Dried Nori ~7.9 g ~4.8 g ~0.6 g
Raw Seaweed (General) ~9.6 g ~1.7 g ~0.56 g

As the table shows, all common edible seaweeds are relatively low in carbohydrates. Wakame's profile is comparable to other seaweeds, highlighting that marine vegetables, in general, are a low-carb dietary choice.

How to Incorporate Wakame into Your Diet

There are many delicious and simple ways to add wakame to your meals. As it is most often sold dried, it needs to be rehydrated before use by soaking in water for a few minutes. Here are some ideas:

  • Miso Soup: The most traditional use for wakame, adding it to a bowl of miso soup for flavor and texture.
  • Salads: Create a refreshing seaweed salad with a simple rice vinegar and soy sauce dressing. Add cucumbers, ginger, and sesame seeds for extra flavor.
  • Stir-fries: Toss rehydrated wakame into stir-fried vegetables for a boost of nutrients and a unique flavor profile.
  • Ochazuke: Use it as a topping for ochazuke, a Japanese dish with hot green tea poured over rice.

The Verdict on Wakame for Low-Carb Diets

In conclusion, pure wakame seaweed is an excellent low-carb food, providing a substantial nutritional boost for very few calories and carbohydrates. It is a fantastic option for those following ketogenic or other low-carb diets, provided they choose plain versions and avoid prepared dishes with added sugars. With its wealth of minerals like iodine, manganese, and calcium, plus beneficial compounds such as fucoxanthin, wakame is a versatile and healthy addition to a balanced diet. As with any food, moderation is key, especially considering its high iodine and sodium content. For those with thyroid conditions, consulting a healthcare provider is recommended before significantly increasing wakame intake. For more in-depth nutritional information on wakame, consult the resources provided by platforms like Verywell Fit.

Frequently Asked Questions

Yes, plain wakame is very low in carbohydrates and can be an excellent addition to a ketogenic diet. However, be cautious with prepared seaweed salads, as they often contain added sugars that increase the carb count.

The carb count for wakame salad varies significantly depending on the dressing and other ingredients. Traditional recipes or homemade versions may be low-carb, but many commercial salads have added sugar and higher carbohydrate content.

The carb content listed is typically for the rehydrated or raw product. Dried wakame will be a more concentrated source of carbohydrates by weight. Always follow the serving size on the package for accurate nutritional information.

Yes, wakame contains a small amount of dietary fiber. The 100-gram serving, for instance, provides about 0.5 grams of fiber, which helps support digestive health.

Yes, it is possible to consume too much wakame due to its extremely high iodine content. While iodine is vital for thyroid function, excessive intake can be harmful, so moderation is key, especially for those with thyroid conditions.

Wakame naturally contains a significant amount of sodium, as it absorbs minerals from the seawater. This means individuals on low-sodium diets should monitor their intake and opt for versions with no added salt.

Wakame offers numerous health benefits, including supporting thyroid function due to its iodine content, potentially aiding weight loss via the antioxidant fucoxanthin, and promoting heart health through omega-3 fatty acids.

While wakame does contain protein, it is not a major source. A 100-gram serving provides about 3 grams of protein. It's more valuable for its rich mineral and vitamin profile.

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Medical Disclaimer

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