Happy Yelpers make us happy too!


We love the opportunity to help make each of your days just a little bit better, no matter what brings you in! Here's what a few of our clients around Boulder, Colorado have had to say on Yelp!

Caitlin R

"Onus is truly the best. The staff is incredible, I have sat with John, Max, and Kelly and I truly cannot say enough about the level of care I have received. Every time I am here is a pleasant as the last. I do the Vega treatment and I leave Onus feeling better always. The environment is beautiful and relaxing and very boulderesque. It has been such an awesome experience to find a local IV spot that I love so much. I will always continue to come back and recommend to anyone in need!"

Paul G

"Very comfortable setting in a good central location. Max was very knowledgeable, professional and kind. So glad this is available in Boulder, it's a natural. I'll be back!

McKenna P

"This was truly an incredible experience! The Phoenix iV was awesome. I'm so happy I got to finally try it out, and I'm so pleased with how I felt during and afterwards!! Everyone was super helpful and friendly! I would 100% go back- thanks guys!"

Simon W.

First time going an IV clinic - Kelly was great, comfortable environment, wish they were available back home in Boston!

Paige K.

Onus IV Hydration is a lifesaver! If I'm ever worn down from work outs or starting to feel a cold coming on, I head to Onus for one of their IVs that can be personalized to your needs. I always leave feeling rejuvenated and relaxed for days following. The Boulder location is very relaxing and the providers are always knowledgeable and friendly!

For more of our stellar reviews, check em out here!