# Raspberry Seed Oil (Rubus idaeus)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/raspberry-seed-oil
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-04-01
**Evidence Score:** 2 / 10
**Category:** Seed Oils
**Also Known As:** Rubus idaeus seed oil, Red raspberry seed oil, European raspberry seed oil, Raspberry kernel oil, Rubus idaeus L. seed oil

## Overview

Raspberry seed oil, cold-pressed from the seeds of Rubus idaeus, is rich in ellagic acid, tocopherols, and a favorable omega-3 to omega-6 fatty acid ratio (alpha-linolenic acid predominating) that supports anti-inflammatory signaling. Its bioactives modulate [pro-inflammatory cytokine](/ingredients/condition/inflammation)s and lipid [metabolism](/ingredients/condition/weight-management) pathways, though current evidence is largely confined to preclinical animal models.

## Health Benefits

• May reduce [inflammatory](/ingredients/condition/inflammation) markers (TNFα, IL-6) and improve fatty acid ratios - shown only in diabetic mice studies
• Potential [liver health](/ingredients/condition/detox) support in fatty liver disease - demonstrated only in rat models
• Possible lipid profile improvement (reduced TC, TG, LDL-C; increased HDL-C) - evidence from animal studies only
• [Antioxidant activity](/ingredients/condition/antioxidant) reducing cellular oxidative stress - shown in cell culture studies
• Potential anti-cancer cell properties - preliminary in vitro evidence only

## Mechanism of Action

Raspberry seed oil's alpha-linolenic acid (ALA, an omega-3) competes with arachidonic acid for cyclooxygenase (COX) and lipoxygenase (LOX) enzymes, reducing synthesis of pro-inflammatory eicosanoids such as [prostaglandin](/ingredients/condition/inflammation) E2 and leukotriene B4. Ellagic acid inhibits NF-κB transcriptional activity, thereby downregulating cytokine expression including TNF-α and IL-6. Tocopherols (vitamin E isoforms) present in the oil act as lipid-phase antioxidants, neutralizing [reactive oxygen species](/ingredients/condition/antioxidant) and protecting LDL particles from oxidative modification, which may contribute to its observed lipid-lowering effects.

## Clinical Summary

The majority of evidence for raspberry seed oil comes from rodent studies; no large-scale, placebo-controlled human clinical trials have been published as of 2024. Diabetic mouse studies demonstrated reductions in TNF-α and IL-6 alongside improved omega-3 to omega-6 ratios after dietary supplementation. Rat models of non-alcoholic fatty liver disease showed [hepatoprotective](/ingredients/condition/detox) effects, including reduced hepatic fat accumulation and improved liver enzyme profiles. Lipid panel improvements—decreased total cholesterol, triglycerides, and LDL-C with increased HDL-C—have been observed in animal models, but these findings cannot yet be reliably extrapolated to human populations without controlled clinical trials.

## Nutritional Profile

Raspberry seed oil is predominantly composed of polyunsaturated fatty acids (PUFAs), with alpha-linolenic acid (ALA, C18:3 omega-3) comprising approximately 29–35% and linoleic acid (C18:2 omega-6) approximately 48–55% of total fatty acids, yielding a notably favorable omega-6:omega-3 ratio of roughly 1.5:1 to 2:1. Oleic acid (C18:1 omega-9) accounts for approximately 10–15%, with palmitic acid (C16:0) at ~2–4% and stearic acid (C18:0) at ~1–2%. The oil is a rich source of tocopherols (vitamin E family), primarily gamma-tocopherol (~37–48 mg/100 g oil) and alpha-tocopherol (~3–12 mg/100 g oil), contributing significant [antioxidant](/ingredients/condition/antioxidant) capacity. Total carotenoid content ranges from approximately 4–10 mg/100 g oil, including β-carotene and lutein, which contribute to its characteristic golden-orange color and mild pro-vitamin A activity. Phytosterols are present at approximately 400–800 mg/100 g oil, predominantly β-sitosterol (~200–400 mg/100 g), campesterol, and stigmasterol, which may contribute to cholesterol-lowering effects. The oil also contains polyphenolic compounds including ellagic acid (trace to ~0.5 mg/g depending on extraction method), though most ellagic acid and ellagitannins remain in the seed cake after pressing. Squalene is present in minor amounts (~50–150 mg/100 g). The oil provides ~9 kcal/g (pure fat, no protein, fiber, or carbohydrates). Cold-pressed extraction preserves more bioactive compounds (tocopherols, carotenoids, polyphenols) compared to solvent extraction. Bioavailability notes: ALA conversion to EPA/DHA in humans is limited (~5–10% to EPA, <1% to DHA); fat-soluble antioxidants (tocopherols, carotenoids) are well-absorbed when consumed with dietary fat; phytosterol absorption is generally low (~2–5%) but sufficient for biological activity at dietary doses.

## Dosage & Preparation

No clinically studied human dosages have been established. Animal studies used 8-16% of total caloric intake in mice over 10 weeks. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Raspberry seed oil is generally recognized as safe when used in typical dietary or cosmetic amounts, with no serious adverse effects reported in the available preclinical literature. Individuals with known allergies to Rosaceae family plants (including raspberries, strawberries, or roses) should exercise caution due to potential cross-reactivity. Its ALA content may theoretically potentiate the effects of anticoagulant or antiplatelet medications such as warfarin or aspirin by influencing platelet aggregation pathways, though clinical evidence for this interaction is lacking. Pregnant and breastfeeding individuals should consult a healthcare provider before supplementing, as safety data in these populations is absent.

## Scientific Research

No human clinical trials, RCTs, or meta-analyses were identified for raspberry seed oil. Available evidence is limited to preclinical animal studies, including research in obese diabetic db/db mice showing reduced [inflammatory](/ingredients/condition/inflammation) markers (PMID: 27165261) and rat models demonstrating improvements in fatty liver disease markers.

## Historical & Cultural Context

No historical or traditional medicinal uses of raspberry seed oil were documented in the available research. Current applications focus on modern cosmetic and pharmaceutical formulations for [anti-inflammatory](/ingredients/condition/inflammation) effects.

## Synergistic Combinations

Evening primrose oil, borage oil, fish oil, vitamin E, curcumin

## Frequently Asked Questions

### What are the main fatty acids in raspberry seed oil?

Raspberry seed oil contains approximately 29–35% alpha-linolenic acid (ALA, omega-3), 54–57% linoleic acid (omega-6), and smaller amounts of oleic acid (omega-9) and palmitic acid. This yields an omega-6 to omega-3 ratio of roughly 1.5:1 to 2:1, which is considered favorable for modulating inflammatory eicosanoid production compared to many other seed oils.

### Does raspberry seed oil have SPF sun protection properties?

Some early in vitro studies suggested raspberry seed oil might possess an SPF equivalent of 28–50, but this claim has been widely disputed and is not supported by rigorous standardized UV-absorbance testing. Regulatory bodies do not recognize it as a validated sunscreen ingredient, and it should not be relied upon as a substitute for clinically tested SPF products.

### How does raspberry seed oil support liver health?

In rat models of non-alcoholic fatty liver disease (NAFLD), dietary raspberry seed oil supplementation reduced hepatic triglyceride accumulation and improved markers of liver injury such as ALT and AST levels, likely through ALA-driven reduction of de novo lipogenesis and ellagic acid's inhibition of NF-κB-mediated hepatic inflammation. No human liver health studies exist to confirm these effects.

### What is ellagic acid and why is it important in raspberry seed oil?

Ellagic acid is a polyphenolic compound found in raspberry seed oil that acts as a potent antioxidant and NF-κB inhibitor, blocking the transcription of inflammatory cytokines including TNF-α, IL-1β, and IL-6. It has also been studied for its ability to chelate metal ions that catalyze free radical reactions, providing secondary antioxidant protection to cellular lipids and DNA.

### What is the typical dosage of raspberry seed oil used in studies?

Human dosage guidelines for raspberry seed oil have not been established because no controlled human clinical trials have defined therapeutic doses. Animal studies have used supplementation levels representing approximately 5–10% of total caloric fat intake; translating these to a human equivalent dose (using the FDA body surface area conversion) would suggest roughly 1–3 grams per day, but this remains speculative and unvalidated in people.

### Is raspberry seed oil safe to take during pregnancy and breastfeeding?

Limited safety data exists for raspberry seed oil supplementation during pregnancy and breastfeeding in humans. While raspberry leaf is traditionally used in pregnancy, concentrated seed oil lacks sufficient clinical evidence to recommend routine supplementation during these periods. Pregnant and nursing individuals should consult with a healthcare provider before adding raspberry seed oil supplements to their regimen.

### Does raspberry seed oil interact with blood thinners or diabetes medications?

Raspberry seed oil may have mild anticoagulant properties and could theoretically interact with blood thinners like warfarin, though human studies are lacking. Its potential effects on lipid profiles and blood glucose suggest caution when combined with diabetes or cholesterol medications. Anyone taking prescription medications should discuss raspberry seed oil supplementation with their healthcare provider to assess individual risk.

### How strong is the clinical evidence for raspberry seed oil's health benefits in humans?

Most evidence for raspberry seed oil comes from animal studies (mice and rats) and cell culture research, which cannot be directly applied to human health outcomes. There is a significant gap between promising laboratory findings and human clinical trials demonstrating real-world effectiveness. Before relying on raspberry seed oil for specific health conditions, consumers should recognize that robust human clinical data remains limited.

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*Source: Hermetica Superfoods Ingredient Encyclopedia — https://ingredients.hermeticasuperfoods.com*
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