Saturday, November 7, 2026 · Customer reviews of US businesses
The Fair Hearing score
Excellent
65 reviews
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Honesty, pricing, process and quality scores appear once 5 customers have rated them.
Essential Formulas Incorporated (EFI) is a family owned and operated business that is passionate about providing scientifically sound dietary supplements with proven protocols that empower consumers to take control of their health. Established in 2000, EFI is the sole U.S. distributor of world-renowned microbiologist Dr. Iichiroh Ohhira’s award-winning probiotic dietary supplements and skin care products. EFI provides high-quality preventative, supportive and comprehensive pro-health products for the entire family. EFI continually strives to lead the industry in customer and retailer education in the use and efficacy of their innovative products.
Essential Formulas Incorporated (essentialformulas.com) has 65 customer reviews on The Fair Hearing, with an average rating of 4.8 out of 5.
Showing 60 reviews with 5 stars · Clear filters
I have just received my order and was impressed that it came so promptly and I found several samples of the Essential Formulas products! Making the order, getting free shipping, and prompt delivery were definite pluses. i am looking forward to trying the products.
By Presley
Response from Essential Formulas Incorporated· Oct 25, 2021
Thank you, Presley. We appreciate the feedback.
I was very pleased to receive my order in two days.
By Veronica
Response from Essential Formulas Incorporated· Oct 21, 2021
We are delighted to read that the shipment reached you in a timely manner. Thank you for the feedback.
Fast and quality delivery.
By Karen M.
Response from Essential Formulas Incorporated· Oct 20, 2021
Thank you, Karen. We are delighted you are pleased with the delivery. Please let us know if you have any questions or would like to speak with our pharmacist.
Excellent customer service
By Onlineshopper
Response from Essential Formulas Incorporated· Sep 26, 2021
Thank you.
I'm so happy there's a vegan version available. Probiotics that help create glutathione in the body are a wonderful thing. And the package arrived super quickly. Thank you!
By Colleen
Response from Essential Formulas Incorporated· Aug 11, 2021
Thank you for your kind words, Colleen. We are delighted to read you love Reg'Activ® as it is truly a unique supplement. We wish you the best of health!
Quick service thank you!! I’ve been using Dr Ohhira’s probiotics for a few years and very satisfied. Just started using the kampuku beauty bar about 3 weeks ago and already notice an improvement in my skin. Just purchased some for my two daughters to try. Looking forward to results from hadayubi lavender moisturizer!
By Debra J.
Response from Essential Formulas Incorporated· Aug 10, 2021
Debra, I appreciate the feedback on the products and glad to read that our kampuku beauty bar is working for your skin type. I love it and travel with it myself. Please let me know if I can answer any questions or put you in touch with our science director for any concerns you may have in the future. We wish you the best of health!
Super fast shipping. Received in record time and the product is fresh and exactly what I ordered. Thank you!
By Susan
Response from Essential Formulas Incorporated· Jul 12, 2021
Thank you for the feedback, we are pleased your order arrived promtly. Let us know if you have any questions.
I love Dr. Ohhira’s probiotics. And requires no refrigeration. They are very effective and worth every penny.
By Tootsie C.
Response from Essential Formulas Incorporated· Jul 9, 2021
Wow, we are blown away by your positive words, we really appreciate the time you took to write such a detailed review and truly appreciate the feedback. Let us know if you have any questions we can address in the future.
