Ultimate Flora Probiotics

Ultimate Flora Critical Care probiotic supplement is a high-potency product

Ultimate Flora by Renew Life is a range of multi-strain probiotic supplements for adults.

The range includes standard, medium and high potency products. All products are in capsule form, with the exception of Super Critical, which is a powder.

All of the range is dairy and gluten free. Some products (Critical Colon 80 & Super Critical 200) however do contain traces of soy from the fermentation ingredients.

The only additional ingredient contained in these products is cellulose fiber. With the exception of the powdered Super Critical, all the products are delivered in delayed release vegetarian capsules. These capsules are are designed to withstand the stomach acid, ensuring that the probiotic bacteria contained in the products reaches the gut intact. All products, except Advanced Immunity, contain strains of both Lactobacilli and Bifidobacteria.

Product Range and Ingredients

Standard and Medium Potency Probiotic Supplements

The range of standard and medium potency Ultimate Flora products is summarised in the table below:

Product NameNumber of Probiotic GeneraNumber of Probiotic StrainsProbiotic BlendContains FOSCFU Count per Serving
Ultimate Flora Adult Formula 15 Billion210Bifidobacteria:
breve, lactis,longum
acidophilus,bulgaricus, casei, paracasei, plantarum, rhamnosus, salivarius
Ultimate Flora Advanced Immunity22Saccharomyes:
boulardii, cerevisae fermentate
Ultimate Flora Extra Care 30 Billion210Bifidobacteria:
breve,lactis, longum
acidophilus, bulgaricus, brevis, casei, plantarum, paracasei, rhamnosus,salivarius
Ultimate Flora Senior Formula 30 Billion210Bifidobacteria:
lactis, breve, longum
acidophilus, casei, plantarum, paracasei, salivarius, rhamnosus

High Potency Probiotic Supplements

Ultimate Flora also produce several high-potency probiotic supplements including:

Product NameNumber of Probiotic GeneraNumber of Probiotic StrainsProbiotic BlendContains FOSCFU Count per Serving
Ultimate Flora Critical Care 50 Billion210Bifidobacteria:
acidophilus,bulgaricus, casei, paracasei, plantarum, rhamnosus, salivarius
Ultimate Flora Critical Colon 80 Billion214Bifidobacteria:
bifidum 5215, breve,bifidum 5860, infantis,lactis 5219, lactis 5220,longum
acidophilus, bulgaricus, casei, lactis, plantarum, rhamnosus,salivarius
Ultimate Flora Super Critical 200 Billion210Bifidobacteria:
bifidum, breve, longum
acidophilus, bulgaricus, casei, lactis, plantarum, rhamnosus, salivarius
Ultimate Flora Vaginal Formula 50 Billion210Bifidobacteria:
acidophilus, brevis, bulgaricus, casei, plantarum, rhamnosus, salivarius


Ultimate Flora Critical Colon is a high-strength probiotic supplement

Ultimate Flora products are all free from colors, preservatives and artificial ingredients. The range is also dairy, wheat, gluten, yeast, corn and salt and soy free1. Thus Ultimate Flora products are suitable for the most sensitive of patients.

The range comprises mostly high-potency probiotics, which are suitable for use therapeutically (i.e.or use in treating disease). These products are also delivered in enteric-coated capsules, which protect the probiotic bacteria from the harsh stomach acid.

All of the Ultimate Flora probiotic supplements contain varied mixtures of probiotic strains as well as species. These mixtures comprise resident and transient species of probiotic organisms.

Resident species adhere to the gut wall and are permanent residents in the gut. These include some species of Bifidobacteria (lactis, bifidum, infantis, breve and longum) as well as certain Lactobacilli (acidophilus, breve, salivarius).

Transient strains on the other hand simply pass through the gut. Those included in Ultimate Flora probiotic supplements include Lactobacilli (casei, paracasei, fermentum, plantarum, rhamnosus and bulgaricus).

Taking a multi-strain probiotic is prudent as it increases the chance that at least one of the probiotic organisms will be effective for you.

Anecdotally, the probiotics produced by Renew Life receive raving reviews from happy customers. Customers report using Ultimate Flora probiotics for a range of complaints including Irritable Bowel Syndrome (IBS), intestinal parasites, yeast infections (vaginal and intestinal), abdominal bloating, gas, diarrhea and constipation.


These products need to be stored in a dry place at 73°F (23°C). They are best stored under refrigeration. Thus they are not really suitable for taking on trips away, especially hot climates, where you have no access to refrigeration.

Also, if you have trouble swallowing capsules, then the Ultimate Flora range offers only one option: Super Critical, which is in powdered form.

You may also feel that the slightly higher than average initial cost outlay is a disadvantage to this product range.

However, when you consider the cost per ten billion units of bacteria, these products often work out CHEAPER than many other probiotic supplements. Have a look at our cost comparison page for advice on how to compare accurately the cost of different probiotics. Use our easy-to-use formula to see for yourself how different brands of probiotic supplements compare cost-wise.

Our Evaluation

We like Ultimate Flora probiotic supplements.

The products all offer a mixture of bacteria. Their high potency makes them particularly suitable for people with digestive illness. What's more they offer good value for money.



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