How Long Does Sea Moss Gel Last: And How to Make It Last Longer?

Sea moss, also known as Irish sea moss or Purple sea moss, is a red alga growing in the Atlantic Ocean. It has gained popularity as a superfood due to its potential health benefits. Sea moss is usually consumed in its gel or pill forms. It is important to know how long sea moss lasts if its pills can expire, and how to extend its shelf life.

How Long Does Sea Moss Gel Last?

To make sea moss gel, natural sea moss is usually preferred, as it has a variety of colors, shapes, and thicknesses and contains seaweed. On the other hand, fake sea moss is usually uniform in color, shape, and thickness and does not contain any seaweed. 

To make sea moss gel, the natural sea moss is soaked in water and boiled until it softens, and a thick gel forms. This gel can then be used as a thickening agent, flavor enhancer, and source of nutrients. 

When making or buying sea moss gel, it is important to check that it is made with real sea moss and has a shelf life of two to three weeks. Additionally, be aware of fake sea moss gel made with chemicals and preservatives, with a longer shelf life than expected.

How to Tell If Sea Moss Gel Is Bad

With time, even high-grade sea moss gel created from natural sea moss without any preservatives will start to break down. You can tell if your gel has gone bad by looking for certain signs. 

A good way to tell is to look at the color—if it has a deeper hue than it originally had, it is a sign that it is close to its expiry date. Additionally, if the gel has a sharp taste or has a sour or fishy smell, it is time to throw it out. Also, if it has a mold on top or has become too watery or slimy, the gel is no longer safe to consume.

How to Make Sea Moss Gel Last Longer

To ensure your sea moss gel stays fresh and lasts longer, you should store it in an airtight container with some space left to allow for expansion. The container should be placed in the back of the refrigerator, as this is usually the coldest section. 

Always use clean utensils to scoop it out when using the gel, and avoid dipping your fingers in the container. You can also store the gel in an ice cube tray in the freezer for up to two to three months. These steps can ensure your sea moss gel stays fresh and uncontaminated for longer.


Sea moss gel is a natural and nutrient-rich superfood that is great for those looking for an alternative to store-bought gels and jellies. It has a shelf life of up to two weeks but can be made to last longer if stored properly and kept away from heat, moisture, and direct sunlight. With proper storage and care, your sea moss gel can last longer and be a great addition to your pantry.

Plant Based Jeff is your one-stop shop for all-natural products, such as Irish sea moss, wildcrafted sea moss, sea moss capsules, and more. Here, you can find plant-based education and sea moss products that help combat obesity and health problems. Boost your immunity today with our Irish Sea Moss!

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