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Nature’s Bounty Probiotic Acidophilus Supplement Review

Each serving of Nature’s Bounty Probiotic Acidophilus provides your body with 0.5 mg of Lactobacillus Acidophilus. Every tablet has 100 million organisms at time of manufacture, and it’s currently a bestseller on Amazon, with over 1000 highly rated reviews.

But what are the limits on a recommended safe dosage, and who can benefit from this probiotic strain?

To help answer these questions, we’ll walk you through the side effects, recommended dosage levels, how to maintain high potency, and the best time of day to take it. There’s even a breakdown health benefits for Lactobacillus Acidophilus, so you know exactly what’s in each serving.

We also compared the Nature’s Bounty product to two other top-rated probiotic supplements; Hyperbiotics Pro-15, and Garden of Life Primal Defense Ultra.

Comparisons includes the CFU potency, probiotic bacteria blend, ingredients, price, tablet size, and customer feedback. This is to guarantee you only buy the best probiotic for your current diet.

Nature’s Bounty Probiotic Ingredients

Nature's Bounty Probiotic Ingredients

Lactobacillus acidophilus (L. acidophilus) is a type of bacteria that plays an important role in human health, through the production of an enzyme called lactase. Lactase breaks down lactose into lactic acid, which helps prevent the growth of bad bacteria.

L. acidophilus has numerous potential health benefits, including reducing high cholesterol levels, improving symptoms of IBS, and boosting the immune system to reduce the risk of viral infections, such as cold and flu. It may also play a role in reducing the number and severity of respiratory infections experienced by children.

Each 1-tablet serving contains 100 million active Lactobacillus acidophilus organisms.

What’s in Nature’s Bounty Acidophilus?

Nature’s Bounty Acidophilus Probiotic Ingredients Label
Ingredient Amount per Serving
Lactobacillus Acidophilus 0.5 mg
Nature's Bounty Probiotic Acidophilus Supplement

Nature’s Bounty Acidophilus – Product Summary

  • 100 million active cultures at time of manufacture
  • Supports digestive health
  • Helps support overall well-being immune function
  • Adults can take one capsule daily, preferably with a meal

Health benefits of Nature’s Bounty Probiotic

Please consult our expert guide to the best probiotic supplements. This contains a complete list of the health benefits for the probiotics found in Nature’s Bounty Acidophilus.

When is the best time to take it?

Adults can take one (1) capsule daily, preferably with a meal.

Nature’s Bounty Probiotic vs. Hyperbiotics Pro-15

Nature’s Bounty Acidophilus
Hyperbiotics Pro-15

B. bifidum: N
B. bifidum: Y

B. lactis: N
B. lactis: Y

B. longum: N
B. longum: Y

L. acidophilus: Y
L. acidophilus: Y

L. rhamnosus: N
L. rhamnosus: Y

Container size: 200
Container size: 60

Serving size: 1
Serving size: 1

Servings per day: 1
Servings per day: 1

Cost per serving: $0.07
Cost per serving: $0.40

Nature’s Bounty Probiotic vs. Primal Defense Ultra

Nature’s Bounty Acidophilus
Primal Defense Ultra

B. bifidum: N
B. bifidum: Y

B. lactis: N
B. lactis: Y

B. longum: N
B. longum: Y

L. acidophilus: Y
L. acidophilus: Y

L. rhamnosus: N
L. rhamnosus: Y

Container size: 200
Container size: 90

Serving size: 1
Serving size: 3

Servings per day: 1
Servings per day: 1

Cost per serving: $0.07
Cost per serving: $0.77

What sizes are available?

With a serving size of 1 tablet, each bottle provides you with 100 servings.

At the time of writing this review, Amazon was selling two of the 100 count bottles for less than $14. This meant each serving was priced at around $0.07, which is considerably less than most probiotics.

However, Probiotic Acidophilus only contains one probiotic strain (L. acidophilus), whereas most supplements contain more than 10 different strains at a higher CFU. For example, NOW Foods Probiotic-10 features 10 strains of probiotics, including L. acidophilus, at an average cost of $0.26 per serving.

Save money with Amazon

If you’re looking to save money on your monthly supplement order, you might want to consider the Amazon Subscribe & Save program.

Subscribe & Save allows you to unlock savings of up to 15% on a wide range of sports nutrition products, including Nature’s Bounty Probiotic.

You can save 5% with a subscription to 1 product, or save the full 15% by subscribing to 5 products, provided they’re all delivered to the same address. The delivery schedule can be set from monthly, up to once every 6 months.

Although 5 products might sound a lot, if you already supplement with a protein powder, multivitamin, creatine, BCAA, and glutamine, the savings can soon add up. But it’s best to order before you run out of your current supplements, because Amazon set the day of the month each order is sent (same day each month e.g. 14th.).

Who are Nature’s Bounty?

Nature’s Bounty combines the latest nutritional science with high quality ingredients to deliver vitamins and supplements that boost your health and wellness. This includes their bestselling Acidophilus Probiotic, and Complete Protein and Vitamin Formula, each of which has over 1,000 highly rated reviews on Amazon.

All Nature’s Bounty supplements are overseen by scientists, manufacturing specialists, and quality experts. Every facility has been successfully audited by the United States Pharmacopeia and STR (Specialized Technology Resources).

Suppliers used for sourcing the ingredients must meet the Nature’s Bounty Quality Assurance Standards, as well as GMP supplement quality standards. This ensures the highest quality, purity, and potency is maintained throughout every dose.

Ingredients are then tested together with the final product in the Nature’s Bounty microbiological laboratory. This highlights any harmful bacteria, and guarantees the purity of the final formula.

Probiotic Dietary Health Supplement Buying Guide
Each serving of Nature's Bounty Probiotic Acidophilus provides your body with 0.5 mg of Lactobacillus Acidophilus. Every tablet has 100 million organisms at time of manufacture, and it's currently a bestseller on Amazon, with over 1000 highly rated reviews. But what are the limits on a recommended safe dosage, and who can benefit from this probiotic strain? To help answer these questions, we'll walk you through the side effects, recommended dosage levels, how to maintain high potency, and the best time of day to take it. There's even a breakdown health benefits for Lactobacillus Acidophilus, so you know exactly what's…

Review Summary

Overall Review Rating

4 / 5

So, is the Acidophilus Probiotic supplement from Nature's Bounty worth buying?

In our experience, and as studies have found, it's generally best to consume a blend of probiotics to enjoy a wider range of health benefits.

There are currently very few probiotic supplements that only contain L. acidophilus. Several other probiotic supplements are single-strain, but they mostly contain a patented strain of B. coagulans (Schiff Digestive Advantage, Nutrition Essentials Probiotic).

The amount of CFU per serving is also the lowest we've seen from a probiotic, with just 100 million per serving. This has a significant impact on price ($0.07 per serving at time of review), making it one of the cheapest probiotic supplements on the market.

Overall, while the cost is low, you're not getting many CFU per day, and we were unable to find a single study that backed such a low level. Most recommend a multi-strain probiotic with a minimum of 10 billion CFU.

As L. acidophilus is one of the most common probiotic strains in supplements, we would recommend taking a multi-strain with higher CFU, such as NatureWise Maximum Care.