Monalisa B.
Best Company Ever!
Optimum has been the best company to do business with, great customer service and product!

What began as a local resource for Southern California researchers quickly grew through word of mouth, customer referrals, and a shared demand for greater transparency in the research-material market ... read more at OptimumFormula.co/about
Optimum Formula (optimumformula.co) has 8 customer reviews on Five Star Index, with an average rating of 5.0 out of 5.
Is this your business?
Correct your details and reply to customers in public. Both are free.
Claim this listing8 approved reviews, newest moderated first
Monalisa B.
Optimum has been the best company to do business with, great customer service and product!
Jason L.
Extremely satisfied! Website: Easy to use Payment: Smooth checkout Shipping: On time, very fast! Order accuracy: Everything correct Customer service: Didn’t contact Brand trust: Feel confident, no concerns whatsoever
Gilberto S.
I used to be a affiliate for this company and I can honestly say the products are the best on the market! You might pay a bit more but its worth it. Quality and Shipping is quick. They used to have inventory backups but ive heard are great now. Good Job!
Rob C.
Website: Easy to use Payment: Smooth checkout Batch COA: Found my batch report Shipping: On time (multiple times) Order accuracy: Everything correct Customer service: Didn’t contact Brand trust: Feel confident with brand
Mike H.
I came across Optimum Formula while doing my own research during my last bodybuilding contest prep. I’m very picky about what I use, especially when I’m in prep, and I was impressed with them right away. The quality was there, the testing and batch information was easy to find, and I liked knowing exactly what I was getting. I had such a good experience with them during prep that I just never had a reason to go anywhere else. I’ve stuck with Optimum Formula ever since. When I find something I trust and it works for me, I don’t change it.
Roberto S.
I’ve had a great experience with Optimum Formula! Their products are high quality, reliable, and reasonably priced. I appreciate that they offer great value without compromising on quality. Their shipping is also incredibly fast, and orders arrive quickly and efficiently. Overall, I’m very satisfied with their products, pricing, and customer service. I would definitely recommend Optimum Formula to anyone looking for quality products at affordable prices and dependable shipping!
Verna C.
I’ve been testing peptides from Optimum Formulas since the beginning, and my experience has been consistently positive. Their commitment to quality, transparency, and thorough testing has helped earn my trust. Orders have arrived promptly and reliably, and their customer service has been excellent. The team is responsive, helpful, and genuinely attentive to its customers. Over time, I’ve come to appreciate the consistency, professionalism, and overall quality Optimum Formulas provides. It remains one of my go-to brands, and I’m happy to recommend it based on my personal experience.
Rudy B.
Tried and true. The skin care topicals aren’t greasy/oily. Customer service is quick and knowledgeable. Definitely will be a return customer