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PurZanthin Review – 9 Facts You Need to Know

By Dr. Usmarah Hussain

Reviewed by Rebecca Williams, MD, MA, MB, BChir

Last Updated:

Evidence Based | Summary | Ingredients | Health Benefits | Precautions | Price | Where to Buy? | Final Thoughts

PurZanthin is an antioxidant supplement designed to assist and maintain the health of the skin, eyes, brain, and heart, increase endurance to physical stress and support healthy joints and muscles. The formula is manufactured by a large producer of dietary supplements called Stop Aging Now. Although its benefits extend to several important organs and systems, the formula is mainly classified as a Brain product. Its main advertised advantages are due to Astaxanthin, a powerful antioxidant with multiple research studies backing up its benefits.

Read this PurZanthin review below to find out more about this supplement, its ingredients, and pricing.


1) What is PurZanthin?

PurZanthin, promoted as a natural supplement, is based on Astaxanthin derived from the microalgae H. Pluvialis. With up to three times stronger antioxidant power than other antioxidants, this primary ingredient in the product acts as a super-antioxidant to protect and promote health. Enclosed in soft gel capsules, this extract can boost energy, control inflammation, and bring unparallel benefits to the eyes, brain, heart, and every other organ. T

he company has provided details on the amount and source of all ingredients added to the PurZanthin supplement, making it completely transparent and easier to trust. The prices are moderate, and discounts are available to make it affordable for everyday use. The formula is also marketed as entirely manufactured in the U.S. in an FDA-inspected facility while following strict USP standards of quality, purity, and potency.

2) The Company Behind PurZanthin

PurZanthin is manufactured by an American company called Stop Aging Now. As a nutrition and lifestyle company, it relies on the latest and the most-recent clinical research to source the right ingredients and create supplements that help people live better and longer. The aim is to produce supplements that help users fulfill their nutritional requirements that food alone cannot.

Stop Aging Now claims to be very selective about the ingredients it uses in its products and only sources from prestigious brands. Moreover, it adheres to high standards to fulfill its promise to deliver quality products and uses various testing procedures and strict inspections throughout the development process to deliver a safe and beneficial product.


3) Details on PurZanthin Ingredients and Uses

PurZanthin is a single-ingredient supplement containing Astaxanthin. This substance is a part of the carotenoids family and is responsible for imparting a bright color to certain species of fish (like salmon) and crustaceans (lobster, shrimp, krill, etc.). There are only two natural types of sources of Astaxanthin:

  • A microalga called Haematococcus pluvialis
  • The fish and crustaceans that thrive on this alga

Synthetic Astaxanthin is commonly used to feed the fish cultures grown for commercial purposes to give them the characteristic red-orange color. However, this form of animal supplementing is not approved in the USA and is considered less beneficial for those who consume it.

Natural Astaxanthin has been widely researched in recent years. There is some evidence of the compound’s benefits in promoting a healthy brain, cardiovascular functions, skin, joints, and muscles, in addition to its noticeable protective properties against UV damage on the skin and eyes. Researchers are trying to determine additional benefits of this wonder nutrient, including in the treatment of cancer and diabetes, etc).

4) Does PurZanthin Work?

The PurZanthin supplement is based on a single active ingredient, a pigment-like chemical responsible for the bright color in several species of fish and crustaceans. Known as Astaxanthin, this extract is what gives a bright red color to salmon and krill. Other natural sources of this pigment are lobster, shrimp, crabs, etc. However, its primary natural source is a species of microalgae used as food by these species of fish and crustaceans, called Haematococcus pluvialis.

This substance has gained a lot of popularity in recent years, particularly due to its very high antioxidant potency compared to already other sources of antioxidants. Researchers have discovered that the active chemicals in Astaxanthin are over 6,000 times more potent than vitamin C, which has led to its classification as a super-antioxidant or a super-nutrient. In the USA, Astaxanthin is commonly used as a supplement for animals and humans and in aquafarming (farming aquatic organisms including fish, crustaceans, and mollusks). Its synthetic form is considered much less efficient, so it is very important to do thorough research regarding the origin of the raw ingredients when trying to buy such a formula. PurZanthin claims to use the natural form of Astaxanthin to provide maximum benefits with no side effects. Astaxanthin has also been the subject of a large number of clinical trials that have proven its ability to support the health of the cardiovascular system, brain, eyes, and skin.

PurZanthin has received multiple testimonials and reviews from customers online. Most of these reviews confirm that PurZanthin lives up to its hype and highlights its most noticeable effects, such as a visible improvement in skin, reduction in mental fog, and more. However, it is imperative to note that most of these reviews are posted on the official website, whereas other independent testimonials include some negative reviews too. At the end of the day, the results of PurZanthin can vary from one person to another, and the choice to use it is completely personal due to varied responses.

Health Benefits

5) PurZanthin Health Benefits

According to the manufacturer, the following are the key highlights of using PurZanthin:

  • The formula features a natural complex of Astaxanthin based on one of the purest sources available
  • The formula is obtained through a high-end technology that ensures its potency and long-term preservation
  • The manufacturer of the product is a popular American company with numerous products currently on the market
  • The formula has a 1-year money-back guarantee

6) Precautions of PurZanthin Use

  • The number of testimonials from sources other than the official site is limited, making its efficacy dubious
    PurZanthin may not be safe for everyone, such as pregnant and breastfeeding women, individuals younger than 18 years, and people with certain co-existing conditions
  • People with an increased risk of bleeding or with bleeding conditions should avoid such formulations
Where to Buy?

7) Where to Buy PurZanthin

The best place to purchase PurZanthin is from the company’s official website (stopagingnow.com). These direct orders not only ensure the quality of the product but also minimizes the risk of scams and allow clients to avail of discounts offered by the manufacturer on bulk orders. Other third-party sellers, such as Amazon, also sell PurZanthin.


8) PurZanthin Price

PurZanthin comes enclosed in plastic bottles, each containing 30 soft gel capsules. The price per bottle is $32.99; however, the company offers discounts on bulk orders as follows:

  • Purchasing three bottles together brings down the per-bottle cost to $29.99
  • Purchasing six bottles together brings down the per-bottle cost to $27.99

Subscribing to the company’s auto-shipping program also provides an additional 15% discount on all orders. The manufacturer offers a one-year money-back guarantee (365 days return policy from the date of shipment). Additional shipping charges may apply based on the delivery location and the type of delivery chosen by the customer.

Final Thoughts

9) Final Thoughts on PurZanthin

PurZanthin is a dietary formulation promoted to possess multiple benefits for human health. While its formulation is not unique, it has the advantage of featuring a patented complex claimed as one of the most effective forms of Astaxanthin available. Clinical research has shown that using the natural form of xanthan, such as that found in PurZanthin, can produce more effective and stronger results and avoid unwanted side effects that its synthetic form can cause. The formula of this supplement is also free from artificial substances (such as colors, flavors, and preservatives) and common allergens.

While the PurZanthin seems promising based on its composition, its manufacturer has made no effort to suggest it as a clinically researched supplement. The available reviews are also in limited numbers and contain mixed opinions. There are also several precautions to be considered mentioned by the manufacturer. Hence, to get a complete and correct idea about the product’s benefits and associated risks, it is highly recommended to talk to a healthcare practitioner about its suitability.

4.7/5 - (4 votes)
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Herman Deaton

I have taken Pure Zanthin Ultra for about seven month now. It has definitely improved my ability to concentrate and think clearly. I ran out a week ago and the difference in my brain power and general well-being were very noticeable. Thank God I found a bottle I had overlooked. I will immediately begin my dose of one gel per day and order a new supply. I do not like how I feel without it. I take several prescription meds for liver transplant, DJD and other maladies and have experienced no side effects except dry mouth which I had before starting Pure Zanthin.
I am 71 and a cancer survivor also.

Chase S.

I bought PurZanthin at the recommendation of my physician, and because I wanted an effective antioxidant. This is a natural product and is a high-quality formula indeed. I noticed improvements of my vision, skin (it looks younger, some of the age spots have noticeably faded), and my memory has also improved. I don’t see any disadvantage in buying this product.

Hank J.

I love how PurZanthin has made my skin look and I feel more alert than ever. Although the price is not very low, I prefer this formula because I really can see the benefits.




Can any age use this? Is it safe to take with cronic medication?

Iulian (Editor)
Reply to  mariette

PurZanthin ULTRA is for adults only. If you are on medications, pregnant or nursing a baby, consult a health care practitioner prior to taking. Do not take if you have any bleeding problems.

Sam Trollip

I have been taking the product for 6 months and have noticed increasing dryness of the throat and tongue – could this be related – I have just stopped taking it to ascertain if it is related. Would be interested to know if anyone else has mentioned this

Terri Johnson
Reply to  Sam Trollip

My upper pallette has been very dry and sore. I didnt attribute it to this suppliment but they were both about the same time

Mindy Dever
Reply to  Sam Trollip

I, too, have experienced an odd taste in my mouth and dryness.


Has helped the inflammation of my knees and my sight. I have been taking it for 6 months.


I would like a free trial, but I need to know if it works with metformin and glipizide and warfarin

Iulian (Editor)
Reply to  Paula

Hi Paula,

We couldn’t find a free trial for PurZanthin. As for interactions with other drugs, we strongly advise you to request your doctor’s opinion on this subject prior to starting treatment with PurZanthin. Although astaxanthin is considered generally safe, some side effects have been noticed in people with increased risk of bleeding.