Oceans Alive Review – A Look At This Phytoplankton Supplement

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By Leslie Waterson

Reviewed by Juliana Tamayo, MS, RDN - Last Updated

Oceans Alive Review

There are a variety of supplements that are made from marine-based foods and nutrients because of their great health benefits. One of such supplements is called “Oceans Alive” by Activation.

In a nutshell, Oceans Alive is a phytoplankton supplement. It claims to support “general health.” But what exactly is Oceans Alive? What are its promised benefits? What are its ingredients (well, aside from phytoplankton)? Is phytoplankton really beneficial for our health? Above all, is Oceans Alive really effective?

If you are interested in learning more about Oceans Alive, this review can certainly help you. So, without any further ado, let’s get started!

Oceans Alive by Activation in the Seaside

About Oceans Alive

According to its production description, Oceans Alive is a “premium blend of two specially cultivated, hand-selected marine phytoplankton strains…” The description would go on to claim that Oceans Alive “supports general health.”

As you can already tell, the main ingredient (and source of health benefits) of Oceans Alive is its phytoplankton. The product description claims that their microalgae will provide you with “a wide array of vitamins, minerals, essential fatty acids, and amino acids.”

Oceans Alive by Activation

As for the health benefits, Oceans Alive claims to bring you the following:

  • Increased energy
  • Improved mental focus
  • Cellular health support
  • Natural detoxification
  • Boosts mood

Now that we know the basic information about Oceans Alive and its claims, let’s assess whether or not the supplement can meet its claims. To that, let’s go and check its label to see its ingredients and learn what we would really get from it.

Oceans Alive Ingredients

According to its ingredient section, Oceans Alive is simply made from the following:

  • Ocean Mineral Concentrate
  • Nannochloropsis Gaditana Algae
  • Tetraselmis Phytoplankton

For its nutrients, it only listed magnesium as its only nutrient.

For this review, we will only focus on phytoplankton since it is Oceans Alive’s main ingredient. Let’s get to know what the potential health benefits of phytoplankton are.

Oceans Alive by Activation made from marine phytoplankton


There are a variety of claims of the potential health benefits for humans, although relatively little research is done on the subject. While there is research made on the relationship between phytoplankton and human health, the majority of them focus on the negative environmental consequences that phytoplankton can cause on human health.

Still, let us focus on the research on phytoplankton’s potential health benefits.

1) Regenerates Cells

The most pronounced benefit of phytoplankton is its ability to regenerate and strengthen our cells. According to Dr. Jerry Tennant, MD of the Tennant Institute of Integrative Medicine, the electrolytes and micronutrients found in phytoplankton are what our human cells need. But perhaps the most interesting fact is that the composition of our plasma – the fluid that surrounds our cell membranes – is very similar to that of seawater!

2) Boosts the Immune System

Phytoplankton is rich in nutrients and compounds such as vitamin E, bioflavonoids, and beta-carotene – all of which can promote and boost our immune system.

3) Improves Mood and Reduces Symptoms of Depression

Since phytoplankton is rich in nutrients and compounds such as omega-3 fatty acids and magnesium, a mineral that is known for its mood-boosting benefits (among its other great benefits), it makes sense to say that phytoplankton can promote overall good mental health and help us with mental health disorders such as depression.

4) Supports Heart Health

Phytoplankton is rich in omega-3 fatty acids, which are well-known for their benefits on our cardiovascular health. Omega-3 is known for its heart-beneficial effects such as reduced cholesterol and triglycerides, reduced risk of irregular heartbeat, and reduced blood pressure.

6) Promotes Proper Blood Sugar Levels

Lastly, phytoplankton has the potential ability to lower and maintain blood sugar levels. This is because phytoplankton is high in nutrients such as chromium and the amino acid phenylalanine. Both of them are well-known to reduce sugar cravings and, in the case of chromium, to balance and maintain glucose levels.

Oceans Alive Benefits

One of the benefits that I can see with Oceans Alive is the simple fact that it is potentially effective. As we have seen in its ingredients (mainly, its phytoplankton), Oceans Alive seems to be promising. Of course, it does not mean that it will be effective or, even if it is indeed effective, that it will be effective for everybody. But it’s good to know that the supplement is made with promising ingredients.

Activation Oceans Alive Drops

Aside from being potentially effective, I also like the fact that Activation is more transparent on their reviews. While many supplements store websites only show their “5-star” reviews, very few ones like Activation show both ends of the review – both the 5-stars and the 1-star. This shows that not only is the supplement, Oceans Alive, is potentially effective (and hence, trustworthy), but that the good company seems to be trustworthy as well!

Is Oceans Alive Safe?

While phytoplankton supplements do not share common side effects, you may experience what is called the “Herxheimer reaction” if you first digest it. Some of the side effects you may experience are sweating, bad breath, aching joints, and muscle pains.

It should also be noted that when there are too many nutrients, phytoplankton can become toxic if it grows out of control and forms harmful algal blooms (HABs). When it becomes toxic, it can be toxic not only on animals such as fish and birds but even on humans too.

That being said, phytoplankton supplements are still considered to be generally safe. Still, be sure to properly follow the recommended dosage. It should be noted that it’s not advisable for women who are pregnant and people who currently take medications.

Aside from the side effects and the first downside we have just mentioned – that is, the potential negative effects of phytoplankton – the other negative thing that I see is the lack of research, which we have also mentioned earlier. While they are indeed praises for phytoplankton (and phytoplankton supplements in general), they are also criticisms of the said ingredient and supplement. Basically, the conclusions on phytoplankton supplements are generally mixed.

Also, and with the fact that phytoplankton supplements’ benefits and effectiveness are still in question, I would also note on the price of Oceans Alive (currently at $39 for a one-time purchase): given the lack of proper research foundation, I would say that spending this money for such supplements is less reasonable and viable.

Not to mention, you can spend the same money on foods or supplements that are really proven for their benefits. Omega-3? Consider fish oil supplements or eat fatty fish. Magnesium? There are many magnesium supplements out there – not to mention that you can find them in plenty of foods.

Is Oceans Alive Worth Trying Out?

After reviewing its ingredients and weighing its pros and cons, I would say that the decision to try out Oceans Alive totally depends on you. I would not say that the supplement is not worth trying out, but that you must do further diligence on your part before you decide on whether or not to try it out.

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Where to Buy Oceans Alive

If you’re looking to give Oceans Alive a try, you can get it off the official Activation website here. They offer two sizes of 30ml or 100ml with quite a variety of pricing and discounts for purchasing in bulk. Below we will detail the pricing and discounts offered for Oceans Alive for each size bottle.

30 ml Oceans Alive Pricing:

100 ml Oceans Alive Pricing:

Activation Oceans Alive Website

Overall Rating:
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Leslie Waterson

Leslie has been passionately involved in the health and fitness industries for over a decade. She is constantly reviewing the latest scientific research and studies in order to take a research-backed approach to lifestyle optimization. Her main areas of interest include nutrition and supplementation. Leslie shares her findings on Fitness Clone to help other health enthusiasts choose the products and routines that will help them achieve their goals.