Alternatives to Intralipid If You Can't Fill Your Prescription

When Intralipid is unavailable at your home infusion pharmacy, it's important to know that you are not without options. Several FDA-approved IV lipid emulsions are used in clinical practice and may serve as appropriate substitutes for Intralipid, depending on your clinical situation. Here's a thorough look at what's available, how they compare, and how to have the conversation with your healthcare team.

Why Intralipid Alternatives Exist

Intralipid was the first IV lipid emulsion approved in the United States and has been used for over 50 years. However, research into other oil sources has produced newer formulations with different fatty acid profiles that may offer clinical advantages for certain patients — particularly those at risk of liver complications or inflammation. In cases of supply shortages or patient-specific contraindications, these alternatives become clinically essential.

Option 1: SMOFlipid — The Most Common Alternative

SMOFlipid (Fresenius Kabi) is a multi-oil IV lipid emulsion containing four oil sources: 30% soybean oil, 30% medium-chain triglycerides (MCT), 25% olive oil, and 15% fish oil. It was FDA-approved in 2016 for adults who cannot receive calories orally or enterally.

Key advantages over Intralipid:

Lower omega-6 to omega-3 ratio (2.5:1 vs. 7:1 in Intralipid) — less pro-inflammatory

Contains DHA and EPA from fish oil, which may benefit brain and retinal development in neonates

Higher alpha-tocopherol (vitamin E) content — 200 mg/L vs. 38 mg/L in Intralipid

May reduce risk of parenteral nutrition-associated liver disease (PNALD), especially in pediatric patients

SMOFlipid is used at the same dose as Intralipid and can generally be substituted 1:1 in most adult and pediatric PN regimens. It is often the first-line alternative recommended by nutrition support teams when Intralipid is unavailable.

Option 2: Clinolipid — An Olive and Soybean Oil Blend

Clinolipid (Baxter Healthcare) is a 20% IV lipid emulsion containing 80% olive oil and 20% soybean oil. It has been used widely in Europe under the name Clinoleic and was approved in the United States more recently.

Key features:

Rich in oleic acid (omega-9), which has less pro-inflammatory activity than omega-6 fatty acids

Provides approximately 30% of the PUFA content of standard soybean oil-based emulsions — good for patients where minimizing pro-inflammatory fatty acids matters

Does not contain fish oil — suitable for patients with fish allergy

Note: Clinolipid is lower in linoleic acid (essential fatty acid) compared to Intralipid, so monitoring for essential fatty acid deficiency (EFAD) is recommended with prolonged use.

Option 3: Omegaven — For Pediatric Patients With Liver Complications

Omegaven (Fresenius Kabi) is a 10% IV lipid emulsion composed of 100% fish oil. The FDA approved it in 2018 specifically for pediatric patients (birth to 17 years) with parenteral nutrition-associated cholestasis (PNAC) — a serious form of liver disease that can develop in children dependent on long-term PN.

Key considerations:

FDA-approved only for pediatric PNAC — not for routine adult parenteral nutrition

Rich in omega-3 DHA and EPA — has anti-inflammatory and hepatoprotective effects

Risk of EFAD with prolonged use at restricted doses — must be monitored carefully

Contraindicated in patients with fish or egg allergy

Option 4: Nutrilipid — Another Soybean-Based Option

Nutrilipid is another 100% soybean oil-based IV lipid emulsion that is clinically similar to Intralipid. It is available in both 20% concentration and can be substituted for Intralipid in most PN formulations where soybean oil is clinically appropriate. If Intralipid is backordered from Fresenius Kabi, pharmacies may be able to source Nutrilipid from a different distributor.

Comparing IV Lipid Emulsions at a Glance

Here's a quick comparison of the main FDA-approved IV lipid emulsions:

Intralipid 20%: 100% soybean oil | Omega-6:Omega-3 ratio 7:1 | Approved for adults and children

SMOFlipid 20%: Soybean/MCT/olive/fish oil blend | Omega-6:Omega-3 ratio 2.5:1 | Approved for adults; used off-label in pediatrics

Clinolipid 20%: 80% olive / 20% soybean | Lower PUFA content | Approved for adults

Omegaven 10%: 100% fish oil | Anti-inflammatory | Approved for pediatric PNAC only

How to Talk to Your Provider About Switching

Never switch IV lipid emulsions on your own. Your prescribing provider or nutrition support team needs to evaluate:

Your underlying diagnosis and the clinical reason you're on PN

Your triglyceride levels and liver function tests

Any allergies (fish, egg, soybean, or peanut) that may contraindicate certain emulsions

Insurance coverage for the alternative emulsion — coverage may differ between products

For the latest on Intralipid availability, see our Intralipid shortage update for 2026.

If you need help locating Intralipid or an alternative IV lipid emulsion at a pharmacy near you, medfinder can check multiple infusion pharmacies in your area.