Omega-7 (Sea Buckthorn).
Supports healthy skin and mucous membranes. Helps hydrate skin and mucous membranes from the inside out. Think dry eyes, dry mouth, and general skin health. Some early data suggests it helps with cholesterol too.
Reviewed March 2026
- Category
- Fatty acid
- Also filed under
- Skin health supportCholesterol management
What Omega-7 (Sea Buckthorn) is, and what it does.
- Does it work
- Maybe. If you have persistent dryness issues and Omega-3 isn't cutting it, it's worth a shot. For general health, stick with fish oil.
- How much to take
- Around 500mg to 1g of sea buckthorn oil daily. Make sure it's standardized for palmitoleic acid, the key Omega-7.
- Time to feel it
- Give it four to eight weeks. Skin and mucous membrane hydration shifts slowly, and the studies that measured it used windows of that length rather than days.
- The first dose
- Nothing. This isn't a stimulant. It needs weeks to build up in your system.
- With regular use
- After 4-8 weeks, you might notice less skin dryness and better moisture in your eyes and mouth. Cardiovascular effects are still being researched.
- How well tolerated
- Generally well tolerated. It can thin the blood, so check with a doctor if you're on blood thinners. Start with a low dose to see how your stomach handles it.
- How it feels
- A gradual increase in skin and membrane hydration. You won't 'feel' it kick in. It's more about what you *don't* feel anymore, like tightness or dryness.
- The overlooked benefit
- Your body also makes palmitoleic acid from palmitic acid, so a blood omega-7 reading mixes what you swallowed with what you built. Berry pulp oil is one of few plant sources of it.
500mg a day is where Omega-7 (Sea Buckthorn) works.
Source: GISSI-HF 2008 + AHA 2019 Guidelines
The proof, claim by claim.
These words describe the research, not the molecule's worth. Research strength is how much work stands behind one claim, and it is never a product score.
While some studies suggest benefits, more robust and larger-scale research is needed to confirm the effects of omega-7 on various health outcomes.
- Skin hydration and barrier measuresRandomised trial
- Mucous membrane moistureRandomised trial
- Tear film and eye surface comfortRandomised trial
- Blood lipid measures already in the normal rangeRandomised trial
- Palmitoleic acid content of blood lipidsRandomised trial
- Fatty acid and tocopherol composition of berry pulp oilNarrative review
Questions people ask about Omega-7 (Sea Buckthorn).
- Is this better than Omega-3?
- Different job. Omega-3 is for brain, heart, and inflammation. Omega-7 is more specialized for skin and mucous membrane hydration. They complement each other.
- Does it help with weight loss?
- The marketing hype outpaces the science here. Some animal studies showed promise, but solid human evidence is lacking. Don't buy it for this reason.
- Will it make my skin oily?
- No, that's not how it works. It supports your skin's natural moisture barrier from the inside, which can actually help balance skin, not make it greasy.
- What's the best source: sea buckthorn or macadamia nuts?
- Sea buckthorn. It has a higher concentration of Omega-7 and a better overall fatty acid profile for supplementation.
- Can I take this with my fish oil?
- Yes. They target different things and are safe to take together. Just be mindful of the total oil intake if you have a sensitive stomach.
- How long until I notice anything?
- Be patient. It takes at least 4-8 weeks of consistent daily use to see potential benefits for skin or eye dryness.
Why these belong in the same formula. Each row says what the basis is, from settled biochemistry through to a trial that measured the pair.
Palmitoleic acid carries a double bond that makes the oil susceptible to peroxidation, and alpha-tocopherol is the chain-breaking antioxidant that intercepts lipid peroxyl radicals. Sea buckthorn oil naturally carries tocopherols for the same reason, and added vitamin E extends that protection.
Cholecalciferol needs dietary fat to form mixed micelles before it crosses the enterocyte. Taking it with an oil such as sea buckthorn raises the fraction absorbed compared with a dry dose on an empty stomach.
MK-7 is a long-chain isoprenoid quinone that depends on micelle formation and chylomicron packaging for uptake. A co-dosed oil supplies the lipid that drives that step.
Sea buckthorn fruit oil carries beta-carotene and other carotenoids that BCO1 cleaves to retinal, and the oil itself supplies the fat carotenoid uptake requires. The pairing covers both the preformed and the provitamin side of the same pool.
Astaxanthin sits across the lipid bilayer with its polar ends anchored at both surfaces, which places it where unsaturated fatty acids oxidise. Formulated with an omega-7 oil it protects the oil and travels with it into the same lipoprotein fraction.
Palmitoleic acid is a monounsaturated 16-carbon fatty acid handled by different elongation steps than the long-chain omega-3s, so the two do not compete for desaturase capacity. Formulators combine them to cover both the mucosal-lipid and the eicosanoid-precursor roles.
Sea buckthorn berries carry ascorbate alongside their oil fraction, and the two sit on opposite sides of the same antioxidant network. Ascorbate regenerates the tocopheryl radical back to tocopherol in the lipid phase, which is what keeps an unsaturated oil's own vitamin E from being spent. Co-supplying vitamin C with a palmitoleic-rich oil supports that recycling loop. This is chemistry of the antioxidant network, not a measured clinical outcome.
Triacylglycerols in berry and seed oil are not absorbed intact. Pancreatic lipase cleaves them to monoacylglycerols and free fatty acids before micellar uptake, so lipase activity is the rate step for any oil-delivered fatty acid. Supplemental lipase is used in formulation where fat digestion is a limiting factor. The relationship is mechanical rather than an effect measured in a trial.
Bile salts emulsify dietary oil into micelles and present the products of lipolysis to the enterocyte surface. Where bile flow is low, fat-soluble material including a berry oil is absorbed less completely. Bile acid supplementation is a formulation answer to that specific step. No combination trial with sea buckthorn oil grounds this; the pharmacology is settled.
Phospholipids act as emulsifiers, dispersing an oil into fine droplets with far more surface area for lipase to work on. That is why lecithin-class emulsifiers appear in oil softgels and emulsions. With a sea buckthorn oil the practical effect is a more uniform dispersion in the gut lumen. It is a formulation relationship, not a claimed physiological effect.
Lecithin is the routine non-soy emulsifier in oil-filled capsules and liquid emulsions. It lowers interfacial tension so a viscous berry oil disperses rather than separating. Formulators reach for it when a sea buckthorn oil is delivered outside a plain softgel. The claim here is about the dosage form and nothing more.
Sea buckthorn oil carries a high share of unsaturated fatty acids, which are the substrate for lipid peroxidation chains. Tocopherols interrupt those chains by donating a hydrogen to the propagating peroxyl radical. They are added to oil products for that reason, and the berry oil contains its own. The role is oxidative stability of the oil itself.
Rosemary extract standardised for carnosic acid and rosmarinic acid is a widely used natural antioxidant in edible oils. It works in the lipid phase alongside tocopherols to slow peroxide formation during shelf life. In a sea buckthorn oil it is a stability ingredient rather than an active. Shelf stability of an oil is not the same as an effect in a person.
Lutein absorption improves when it is consumed with fat, because it partitions into mixed micelles alongside dietary lipid. A berry oil supplies that lipid at the same eating occasion. This is a general fat-soluble nutrient relationship rather than anything specific to omega-7. It says nothing about what either ingredient then does.
Lycopene is a highly lipophilic carotenoid with poor uptake from a low-fat meal. Co-ingested oil raises the amount that reaches the micellar phase. Sea buckthorn oil functions as that vehicle no differently from other food oils. The mechanism is absorption, not a combined action.
Phylloquinone is fat-soluble and its uptake tracks the fat content of the meal it arrives with. An oil capsule taken alongside supplies that fat. Nothing about omega-7 specifically drives this; it is the lipid phase doing the work. Included because co-dosing is frequent in multi-oil formulas.
Ubiquinone is poorly water-soluble and is routinely delivered dissolved or dispersed in an oil. Sea buckthorn oil can serve as that carrier in a softgel. The relationship is dissolution and delivery. It carries no implication that either ingredient changes the other's activity.
An omega-7 rich sea buckthorn oil and an omega-3 rich algal oil have been compared head to head on the same measured lipid endpoints, and the authors report the two differed by endpoint rather than behaving interchangeably. Palmitoleic acid is a monounsaturated 16-carbon fatty acid and DHA a 22-carbon polyunsaturate, and they enter membrane and lipid handling at different points. Combining them may broaden the fatty acid spectrum a formula supplies, which is an inference from composition rather than something the comparison tested. The work was preclinical and reports measured lipid markers, which are markers and not clinical outcomes.
Several culinary and berry-derived plants have been catalogued in a systematic review for measured effects on platelet aggregation, and sea buckthorn appears in that literature. Stacking two such ingredients is an additive direction worth flagging rather than a benefit to advertise. Anyone already using something that influences clotting should raise the combination with their clinician. The review reports laboratory aggregation measures, which are markers and not clinical events.
Garlic constituents are among the most frequently reported plant modulators of platelet aggregation in that review literature. Taken alongside a berry oil with its own reported aggregation effects, the direction is additive. This is a flag for combined use, not a recommendation. Aggregation in a laboratory assay is a marker, not a measured clinical event.
Nattokinase is taken specifically for its reported fibrinolytic activity. Adding an oil that has itself been examined for platelet effects pushes in the same direction. Nobody has run the pair together, and the caution stands on the individual pharmacology of each. Flagging an additive direction is the honest handling here.
Sea buckthorn fruit carries flavonols including quercetin glycosides alongside its oil fraction, so the pairing reproduces something the whole berry already does. Flavonols act in the aqueous phase and tocopherols in the lipid phase, which is why they are commonly formulated together. Whole-berry preparations differ from a pressed oil in this respect. Composition is well described; a combined effect in people is not.
Carotenoids give sea buckthorn pulp oil its deep orange colour, and beta-carotene is among them. As a fat-soluble provitamin it depends on a lipid phase for uptake, which the oil supplies. The pairing therefore mirrors the intact fruit. This describes delivery, not an added effect.
Broad-spectrum enzyme blends include lipase, which is the enzyme that liberates fatty acids from an ingested oil. Where fat digestion is incomplete, an oil passes through less well absorbed. Enzyme blends are used in formulas for exactly that reason. It is a digestion step, not a claim about what the fatty acids do afterwards.
Tocotrienols distribute readily within membranes and act as chain-breaking antioxidants in the lipid phase, the same phase an unsaturated berry oil occupies. Together with tocopherols they form the vitamin E family used to protect oils. Co-delivery is standard practice in oil-based products. The evidence here is chemistry, not a combination trial.
Talk to a doctor before taking Omega-7 (Sea Buckthorn) if any of these apply to you: May interact with blood thinners, Possible digestive upset. These are flags to check first, not effects Omega-7 (Sea Buckthorn) is known to cause.
Not medical advice. Show the label to your pharmacist.What Omega-7 (Sea Buckthorn) actually does.
Palmitoleic acid is a 16-carbon monounsaturated fatty acid with a double bond at the seventh carbon from the methyl end, which is what the omega-7 designation records. Sea buckthorn pulp oil is one of the few plant oils in which it makes up a large share of the total fatty acids.
Pulp oil and seed oil from the same berry are chemically different products. The pulp fraction is where palmitoleic acid concentrates, while the seed fraction is dominated by linoleic and alpha-linolenic acids.
Dietary triacylglycerols are hydrolysed by pancreatic lipase to monoacylglycerol and free fatty acids, incorporated into bile-salt mixed micelles, taken up by enterocytes and re-esterified into chylomicrons for lymphatic transport. Every oil-delivered fatty acid follows this path.
Palmitoleic acid is also made endogenously from palmitic acid by stearoyl-CoA desaturase 1, so circulating levels reflect both intake and internal synthesis. That dual origin is why a blood measurement of omega-7 is not a clean readout of what was swallowed.
Where Omega-7 (Sea Buckthorn) comes from.
The oil comes from an orange berry that grows on a thorny shrub. The soft part of the berry and the seed give two different oils, and only the one from the soft part is high in omega-7. Producers press it out, filter it and test the fatty acid mix before it goes into a capsule.
Made from a plant. What ends up in the capsule tracks the harvest, so batch testing and a stated marker matter more here than with a made molecule.
Orange berries harvested from a thorny shrub grown widely across Eurasia, often by cutting and freezing whole branches because the fruit is difficult to pick by hand
The frozen or fresh fruit is separated into juice, pulp and seed fractions, since the two oils that follow come from chemically different parts of the same berry
Oil is recovered by cold mechanical pressing, by supercritical CO2 extraction, or by solvent extraction, each with a different yield, temperature exposure and residue profile
The crude oil is filtered and sometimes chilled to drop out waxes and solids, which changes clarity and pour behaviour without altering the fatty acid profile
Gas chromatography of the fatty acid methyl esters establishes the palmitoleic acid share, which is the number a pulp-oil specification is written against
The oil is filled into softgels, bottled as a liquid, or spray-dried onto a carrier for powder blends, with antioxidants added where oxidative stability is the constraint
Getting Omega-7 (Sea Buckthorn) from food.
The whole-food sources on file. A supplement closes the gap, it does not replace dinner.
A gram-for-gram figure (how much of each you would eat to match a dose) will appear here once it is sourced and reviewed. This page will not print a number it cannot cite.
The forms it comes in.
The essence, in one line each.
- Adults taking a palmitoleic acid concentrated oil showed lower C reactive protein, a general marker of inflammatory tone, than those on placebo.Randomised trial. Bridges et al., 2025 (The American journal of clinical nutrition). PMID 40456315 ↗
- Reviewing sea buckthorn preparations used on and in the body, the authors found reports of better skin hydration and less facial redness, from small studies with mixed methods.Systematic review. Hincu et al., 2026 (Medicina (Kaunas, Lithuania)). PMID 42075548 ↗
- The authors review sea buckthorn's nutritional composition, phytochemistry and reported molecular mechanisms, and describe the evidence base as still developing rather than settled.Narrative review. Javaid N et al., 2026 (Foods). PMID 42073276 ↗
- The authors compared an omega-7 rich sea buckthorn oil against an omega-3 rich DHA algal oil on the same measured lipid endpoints, reporting the two oils differed by endpoint rather than one being interchangeable with the other.Animal study. Li J et al., 2025 (Food and Function). PMID 39760431 ↗
- Laboratory analysis of fermented whey beverages containing sea buckthorn characterised their fatty acid profile, mineral content and antioxidant activity in assay.In vitro study. Bartoń M et al., 2026 (Molecules). PMID 42280208 ↗
- Compositional assessment of sea buckthorn processing residues reports a nutrient profile the authors judge worth evaluating as a feed ingredient.In vitro study. Malenica D et al., 2026 (Frontiers in Veterinary Science). PMID 41834882 ↗
- A review of medicinal and food homologous substances that names sea buckthorn among the plants examined for effects on blood lipid and glucose measures and on liver function markers.Narrative review. Zhang Q et al., 2023 (Lipids in Health and Disease). PMID 37644446 ↗
- An evidence-based systematic review of herbs reported to inhibit platelet aggregation, in which sea buckthorn is named among the plants reviewed.Systematic review. Nouruzi S et al., 2022 (Iranian Journal of Medical Sciences). PMID 36380973 ↗
- The authors characterise a supercritical CO2 seed lipid extract of Hippophae rhamnoides formulated for delivery and report its measured effects in the model they used.In vitro study. Erglis K et al., 2025 (Journal of Cardiovascular Development and Disease). PMID 41440857 ↗
These are the studies our verdict leans on, chosen from the 187 we read for Omega-7 (Sea Buckthorn). The full linked list is below.
FDA Disclaimer: These statements have not been evaluated by the Food and Drug Administration. This information is for educational purposes only and is not intended to diagnose, treat, cure, or prevent any disease. Consult your healthcare provider before starting any supplement regimen.