Our Immunity Special is live - Get an Immunity Drip with 2x the Vitamin C + a D3 Shot for only $145
Ask for the Immunity Special when you arrive!
The HYROX Special: specialty IV drip + FREE NAD+ shot, $175 ($250 value) through 11/30/2026 See the offer
IV Therapy in Boulder
Choose Onus IV & Longevity, the premier destination for IV therapy, peptides & hormone optimization in Boulder. Our lounge is ready to help you make your next healthy choice in one of Colorado's most health-conscious towns!
Location & Hours
Hours
Please note that appointments are available up to 45 minutes before closing time. While walk-ins are always welcome, we encourage you to book an appointment to ensure you can be seen.
Services Offered at Our Boulder Location
Explore the wellness treatments available at our Boulder location and learn more about each service before booking your appointment.
IV Drip Therapy
IV drips given by licensed nurses and paramedics with emergency-room experience, designed to support hydration, recovery, and immunity in Boulder so you can get back to your best days!
NAD+ / Niagen Therapy
NAD+ & Niagen therapy is designed to support cellular energy, mental clarity, and healthy aging, available as an IV infusion or IM injection to fit your routine.
Semaglutide, Tirzepatide & Peptides
Physician-guided GLP-1 and peptide protocols designed to support sustainable weight management and long-term metabolic health, backed by ongoing clinical oversight.
TRT (Testosterone Replacement Therapy)
Physician-guided testosterone replacement designed to help support energy, muscle tone, mood, and overall vitality, with ongoing lab work and medical oversight.
IM Shots
Fast intramuscular injections designed to give your energy, immunity, and recovery a boost in minutes.
Botox / Dysport Injections
Botox and Dysport injections administered by our nurse and NP team to help soften fine lines and wrinkles, with the same clinical standard as every Onus treatment.
BHRT
Bioidentical hormone replacement therapy designed to help restore balance, energy, and vitality, guided by our medical team from your first lab draw.
Transparent Pricing
No hidden fees. Membership discounts available.
IV Drip Therapy
NAD+ / Niagen Therapy
IM Shots
What Boulder Clients are Saying
5.0 average from 180+ verified Google reviews
Serving Boulder & Surrounding Areas
Set on Walnut Street just across from the St. Julien Hotel, our Boulder lounge sits at the edge of the Pearl Street Mall, minutes from the trailheads of Chautauqua Park and the Boulder Creek Path. We see clients from Gunbarrel, Louisville, Superior, and Lafayette, along with CU Boulder students and faculty fueling up between classes or training runs on Flagstaff Mountain. With quick access via US-36 and Foothills Parkway, our Boulder location is a natural stop for anyone recovering from a high-altitude workout or getting ahead of the Front Range's thinner air. Our licensed nurses and paramedics with emergency-room experience are here to help Boulder locals and visitors alike make the most of their best days.
Check out other Onus locations near you.
Onus IV Therapy + Longevity – Boulder
Located in the heart of downtown Boulder, our clinic is your destination for premium longevity and wellness services. We offer a full range of treatments, including iv hydration, IM Injections, Hormone Replacement Therapy, GLP-1s, Peptides, NAD IV therapy, and more. Each IV therapy session is thoughtfully designed to provide immune support and help you tackle whatever life in Boulder County throws your way. Whether you're looking to enhance energy, accelerate recovery, or optimize your overall health, we're here to help you feel and perform at your best.
With easy access and a welcoming atmosphere, our Boulder location is perfect for individuals and groups alike. For those who prefer a more private experience, we also offer a dedicated treatment room designed for comfort and relaxation.
Our licensed nurses and paramedics, who have emergency-room experience, are committed to exceptional care and to helping you work toward your health and longevity goals.
Hydrate and pursue health and wellness with confidence. Find one of our convenient locations for IV therapy, BHRT, and other health and wellness services. Our promise, and our duty, is to help others fight back against conditions that rob them of the joys of life. We endeavor to deliver on our promise of giving you “Your Best Days,” and have taken every precaution, every detail into consideration to deliver on that goal to the best of our ability.
Popular Services
Every Onus service is delivered by licensed nurses and paramedics with emergency-room experience, under medical direction, so you always know exactly what you're getting and why.
Frequently Asked Questions
We offer a variety of competitive prices for IV Therapy, NAD+, BHRT, Peptides & More! Visit our Menu & Pricing Page for more info.
Walk-ins are always welcome, and appointments are always encouraged! Please note that appointments are available up to 45 minutes before closing time. While walk-ins are always welcome, we encourage you to book an appointment to ensure you can be seen.
Our hours vary between winter and the rest of the year. For winter, our hours are from 10-6pm Monday-Thursday, 10-5pm Friday, 10-4pm Saturday & Sunday. Year-round, our last appointments are taken 45 minutes before closing.
Yes, we have easily accessible parking at all of our locations.
Every IV at Onus is started and monitored by licensed nurses and paramedics with emergency-room experience. They follow ER-based protocols under the oversight of our medical director.
Depending on your treatment, it is generally advisable to eat prior to infusion. Everyone is different however, so if you have concerns, please contact us prior to your appointment.
Yes, we offer comfortable, dedicated rooms for you to enjoy during your treatment.
Yes. Treatments at Onus are given by licensed nurses and paramedics with emergency-room experience, under the oversight of our medical director and nurse practitioners. We follow medical protocols for cleanliness, dosing and monitoring, and we focus on your comfort and safety at every visit.
Yes! Onus accepts HSA and FSA cards at all of our Colorado locations. Just use your card at checkout like any other card, and ask us if you need an itemized receipt. HSA and FSA cards can't be used for NAD+ or Niagen. Questions about your specific plan? Your plan administrator can help.
