The Best Oils for Immunity — Top 5 in 2026

Oolini Black Cumin Oil is a 100% natural, single-ingredient product cold-pressed from black cumin seeds (Nigella sativa). Oils designed to support immunity should primarily provide valuable active compounds—the key component here is thymoquinone, present in a high concentration of 1,149 mg per 100 g, valued for its anti-inflammatory and antioxidant properties. The formula is supplemented with essential fatty acids: linoleic (omega-6), alpha-linolenic (omega-3), and oleic (omega-9), which are components of cell membranes and support the body’s proper functioning. Cold-pressing and the absence of refining help preserve the full range of sensitive nutrients. However, our testers did not like the intensely bitter flavor, which is difficult to accept without additives. They also noted the need to store it in the refrigerator and the short, six-month shelf life, which forces consumers to use it up quickly. The testers also noted the small bottle size and the relatively high price per 100 ml.

Bio Planete Omega Blue Immunity Oils are a vegan blend of five plant-based oils, designed to supplement the diet with omega acids. The base is flaxseed oil (62%), a source of alpha-linolenic acid (ALA, omega-3)—a daily serving of 20 ml provides as much as 6.6 g of ALA and 5.8 g of linoleic acid (omega-6), resulting in a beneficial omega-6 to omega-3 ratio of 1:1. A key feature is the oil derived from Schizochytrium microalgae, a plant-based source of DHA (250 mg), which supports healthy brain and eye function. Innovative 3D filtration reduces the typical bitterness of flaxseed. Our testers noted the presence of allergens—walnuts and wheat germ oil—which rules out this product for people with allergies. Another drawback is the small package size, which is sufficient for only five servings, and the requirement to use it within three months of opening.

Aram Natura Immunity Oils are made from 100% Siberian sea buckthorn fruit oil, sourced from organic farms. Our testers observed that its potency is due to its exceptionally high carotenoid content—at least 230 mg per 100 g —that is, precursors to vitamin A, which plays a key role in building immunity and maintaining the health of mucous membranes, the body’s first line of defense. The formula is enriched with vitamins E and C, which have antioxidant properties, as well as flavonoids (quercetin, rutin) that strengthen blood vessels. Its distinctive fatty acid profile, dominated by omega-7, supports tissue regeneration. Our testers did not like the intense orange color, which can permanently stain the skin, hands, and blood vessels. They also noted the distinct, tart and sour taste, as well as the strongly “medicinal” tone of the brand’s messaging, which promises multifaceted benefits that can be difficult to verify on one’s own. Our testers noted that the formula contains only one ingredient, which limits its effectiveness.

Cosma Cannabis Natural Herbs Immunity Oils are a droplet-form oil that combines green hemp seed oil with herbal extracts obtained through CO2 extraction. Hemp oil provides omega-3 and omega-6 unsaturated fatty acids, and the hemp phytocomponent (CBD) it contains supports the balance of the endocannabinoid system. The strengthening effect is primarily due to purple coneflower (echinacea) extract, traditionally used to support the immune system, supplemented with rosemary and oat straw. The formula is rounded out by vitamins D3 and K2, with D3 having a significant impact on the proper functioning of the immune system. Our testers did not like the distinct, herbal-hemp aftertaste that lingered after sublingual application, nor the need to shake the bottle vigorously before each dose. Some people also had reservations about the presence of CBD, especially when used with children or combined with other supplements. Considering the bottle’s 30-milliliter capacity, the price of the oil is very high.