Rancho Cucamonga, California
Custom Compounding in Rancho Cucamonga serving ALL of Southern California
Your prescription needs may extend beyond a standard strength or dosage form. Sierra Compounding Pharmacy works with licensed prescribers to prepare patient-specific, non-sterile compounded medications from our Rancho Cucamonga pharmacy.
We welcome patients and providers across San Bernardino County, Riverside County and Orange County. Delivery is available throughout Southern California; contact us to confirm arrangements for your address and prescription.
About Us
Custom Compounded Medications in Rancho Cucamonga
At Sierra Compounding Pharmacy in Rancho Cucamonga, we prepare customized prescription medications in collaboration with licensed prescribers. When a commercially available product isn't the right fit — due to dosage, form, ingredients, or other patient-specific needs — your provider may prescribe a compounded alternative.
We serve patients, caregivers, physicians, clinics, veterinarians, and providers throughout San Bernardino County, Riverside County, and the broader Inland Empire — including Ontario, Upland, Fontana, Riverside, Corona, Chino Hills, and surrounding communities.
- Licensed compounding pharmacists
- Precision non-sterile compounding
- Provider collaboration & Rx support
- USP 800 and USP 795 Compliant
- Serving Inland Empire patients & providers
- Custom dosage forms & strengths
What We Offer
Our Compounding Specialties
Sierra Compounding Pharmacy in Rancho Cucamonga prepares customized prescription medications for patients, caregivers, providers, and veterinarians throughout the Inland Empire. All compounded medications require a valid prescription.
Hormone Therapy (BHRT)
Bioidentical hormone formulations prepared according to prescriber direction, for menopause, perimenopause and testosterone-related needs.
Learn more about Hormone Therapy (BHRT) →Sexual Health & Wellness
Prescriber-directed compounded formulations for sexual wellness concerns, prepared for the individual patient.
Learn more about Sexual Health & Wellness →Weight Management
Compounded preparations prepared as part of a provider-directed weight management plan.
Learn more about Weight Management →Dermatology & Aesthetics
Customized topical dermatology formulations prepared when prescribed for acne, hyperpigmentation, rosacea and related concerns.
Learn more about Dermatology & Aesthetics →Gastrointestinal (GI)
Individualized GI preparations prepared when prescribed for reflux, IBS-related symptoms, bloating and motility concerns.
Learn more about Gastrointestinal (GI) →Low Dose Naltrexone (LDN)
Customized low dose naltrexone formulations prepared when prescribed by a licensed healthcare provider.
Learn more about Low Dose Naltrexone (LDN) →Pediatric Compounding
Child-appropriate dosage forms, flavoring when appropriate, and age-appropriate strengths when prescribed.
Learn more about Pediatric Compounding →Pain Management
Compounded pain-related preparations based on prescription, including topicals when prescriber-directed.
Learn more about Pain Management →Veterinary Solutions
Veterinarian-directed medications in flavored forms, transdermal options and custom doses for pets.
Learn more about Veterinary Solutions →Customer Experiences
What Our Customers Are Saying
Read about the service, communication, and personal attention customers have experienced at Sierra Compounding Pharmacy & Medical Supplies.
Selected excerpts from public reviews. Follow the source links to read the complete reviews.
“They were quick to help. When I went to pick up, they gifted us a pet toy and a personal written note.”
Tania C.Pet prescription customer
Read the full review on Google“They were easy to deal with for my first prescription with them, with smooth processing, payment, and pickup.”
LeAnn aka LeLeFirst compounded prescription
Read the full review on Google“They are consistently friendly, helpful, professional and dedicated to making sure you understand how to use your prescriptions.”
L L.Compounded prescription customer
Read the full review on Yelp“They answered every question I asked—not only about my purchase, but about things I want to come back and buy.”
Maggie S.Medical-supply customer
Read the full review on YelpWhy Sierra Compounding
Why Choose a Local Compounding Pharmacy?
Sierra Compounding Pharmacy offers something a large chain pharmacy cannot — personalized service, direct pharmacist communication, and custom medications tailored to each patient's prescription needs.
Local Pharmacist Access
We are based in Rancho Cucamonga and serve the Inland Empire. Reach a real pharmacist who knows your prescription and can communicate directly with your provider.
Customized Formulations
Custom strengths, alternative dosage forms, flavoring options, and allergen-conscious formulations — when prescribed and clinically appropriate.
Provider Partnership
We work closely with physicians, clinics, veterinarians, and other prescribers throughout the Inland Empire to support individualized patient care.
Find Information for Your Area
Our pharmacy is located at 8661 Baseline Road in Rancho Cucamonga. You can contact us from elsewhere in Southern California to ask about a new prescription, a possible transfer or delivery. Browse the county pages for the communities we serve and the steps to get started.
San Bernardino County
Find information for communities near our pharmacy and for patients in the High Desert.
County page
Riverside County
Explore options for patients in western Riverside County, the southwest county communities and the Coachella Valley.
County page
Orange County
Patients and prescribers can contact Sierra from northern, central, coastal and southern Orange County.
County page
Compounding services available to patients and providers:
Common Questions
Frequently Asked Questions
Have a question about compounding or our services? Browse below or contact our team directly.
A compounding pharmacy prepares customized prescription medications tailored to an individual patient's needs — adjusting dosage strength, changing the form (such as a cream, capsule, liquid, or troche), adding flavoring, or creating formulations not commercially available. All compounded medications require a valid prescription from a licensed healthcare provider.
Yes. All compounded medications require a valid prescription from a licensed healthcare provider. Sierra Compounding Pharmacy does not dispense compounded medications without a prescription. Availability also depends on clinical appropriateness and pharmacy review.
Yes. Our pharmacy is located in Rancho Cucamonga and serves patients and providers across San Bernardino County, Riverside County and Orange County, as well as nearby Los Angeles County communities — with delivery available throughout Southern California.
Yes. Licensed healthcare providers can call or fax prescriptions directly to our Rancho Cucamonga pharmacy. Providers may also contact us to discuss formulation options, dosage forms, and patient-specific needs before prescribing.
Yes. We work with veterinarians throughout the Inland Empire to prepare customized veterinary formulations — including flavored medications, transdermal gels, and appropriately dosed preparations for cats, dogs, and other animals, when prescribed by a licensed veterinarian.
Yes. We prepare pediatric compounded medications when prescribed, including custom flavors, liquid forms, and dye-free or allergen-conscious options when appropriate. We work closely with pediatric providers and families throughout Rancho Cucamonga and the Inland Empire.
In many cases, compounded medications can be prepared without certain inactive ingredients — such as specific dyes, preservatives, or allergens — when directed by the prescriber and when appropriate. Ask your provider or our pharmacist whether this may be an option for your prescription.
Call us at (909) 989-9800 during business hours (Mon–Fri 9:30am–6:00pm, Sat 9:30am–2:00pm). You can also visit us at 8661 Base Line Rd., Rancho Cucamonga, CA 91730, or use the contact form on our website.
Have Questions? We're Here to Help.
Reach out to our team — we're happy to answer any questions about compounding or your prescription.