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Nutrient type

phytonutrient

30 nutrients in this category

anthocyanins

Anthocyanins are a group of flavonoid pigments giving red, purple, and blue colors to many fruits and vegetables. They act as antioxidants and have been linked to...

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antioxidants

Antioxidants are a broad class of phytochemicals and nutrients that help defend the body against oxidative stress by neutralizing free radicals. They are abundant in colorful...

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beta carotene

β‑Carotene is a provitamin A carotenoid found in colorful fruits and vegetables. The body converts it into vitamin A, critical for vision, immune function, and cellular growth....

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carotene, alpha

Alpha-carotene is a plant-derived carotenoid with provitamin A activity, meaning it can be converted into vitamin A in the body. It functions as an antioxidant, supports immune...

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carotene, gamma

Gamma‑carotene is a plant‑derived carotenoid pigment with antioxidant properties and potential provitamin A activity, contributing to vitamin A status when converted to...

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carotenoids

Carotenoids are plant‑derived pigments responsible for the yellow, orange, and red colors in many fruits and vegetables. They act as antioxidants and, for provitamin A forms...

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catechins

Catechins are antioxidant phytonutrients best known from green tea. The most abundant catechin is epigallocatechin‑3‑gallate (EGCG), which has been studied for antioxidant,...

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cryptoxanthin, alpha

Alpha‑cryptoxanthin is an oxygenated plant pigment (carotenoid) that acts as a provitamin A source, contributing to retinol formation in the body. Although not assigned its own...

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curcumin

Curcumin is a bioactive plant compound found in turmeric known for potent antioxidant and anti‑inflammatory properties. It has been studied in clinical research primarily for...

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flavonoids

Flavonoids are a large group of plant phytonutrients known for their antioxidant and anti‑inflammatory roles and are present in many fruits, vegetables, teas, wines, and other...

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isoflavones

Isoflavones are phytonutrients classified as phytoestrogens, predominantly found in soy and soy products. They interact with estrogen receptors and have been studied for...

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lignans

Lignans are polyphenolic compounds abundant in many plant foods, especially seeds and whole grains. After ingestion they are metabolized by gut microbiota into enterolignans,...

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lutein

Lutein is a non‑provitamin A carotenoid phytonutrient concentrated in the retina’s macula that helps filter blue light and protect against oxidative damage. Dietary intake is...

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lutein + zeaxanthin

Lutein and zeaxanthin are non-provitamin A carotenoids found primarily in leafy green vegetables and colorful fruits. They act as potent antioxidants and selectively accumulate...

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lycopene

Lycopene is a red carotenoid phytonutrient acting as a potent antioxidant found predominantly in tomatoes and tomato products but also in watermelon, guava, papaya, and other...

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polyphenols

Polyphenols are plant antioxidants abundant in fruits, vegetables, teas, coffee, and spices that have been linked with reduced chronic disease risk. Although there is no...

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quercetin

Quercetin is a widely distributed plant flavonol and phytonutrient known for potent antioxidant and anti‑inflammatory properties. It is not considered an essential nutrient so...

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resveratrol

Resveratrol is a plant‑derived polyphenol most abundant in the skins of red grapes and other fruits. It is widely studied for its antioxidant, anti‑inflammatory,...

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sulforaphane

Sulforaphane is a sulfur‑containing phytonutrient found in cruciferous vegetables such as broccoli, cabbage, and kale. It is not classified as an essential nutrient and hence...

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tannins

Tannins are polyphenolic plant compounds that contribute astringency to foods and beverages and have been studied for numerous potential health effects. They are abundant in...

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tocopherol, beta

β‑Tocopherol is one of several tocopherol isomers classified under vitamin E, present in many plant oils, nuts, seeds, and processed foods often in small amounts. While the RDA...

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tocopherol, delta

Delta‑tocopherol (δ‑tocopherol) is one of four tocopherol isoforms of vitamin E, functioning as a lipophilic antioxidant within the vitamin E family. The body preferentially...

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tocopherol, gamma

Tocopherol, gamma (γ‑tocopherol) is a major dietary form of vitamin E in Western diets, particularly abundant in certain plant oils, nuts, and seeds. It acts as a lipophilic...

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tocotrienol, alpha

Alpha‑tocotrienol is a form of vitamin E found in plant oils, grains, and spices, with strong antioxidant properties and emerging evidence supporting roles in brain health,...

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tocotrienol, beta

β‑Tocotrienol is a phytonutrient and a lesser‑studied isoform of vitamin E with potent antioxidant and anti‑inflammatory properties. Beta‑tocotrienol contributes to cellular...

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tocotrienol, delta

Delta‑tocotrienol (δ‑tocotrienol) is a less common but biologically active form of vitamin E with potent antioxidant and anti‑inflammatory properties. It’s found in palm oil,...

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tocotrienol, gamma

Gamma‑tocotrienol (γ‑tocotrienol) is one of the tocotrienol isomers within the vitamin E family, distinguished by an unsaturated isoprenoid side chain that enhances its...

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zeaxanthin

Zeaxanthin is a carotenoid phytonutrient found in colorful fruits and vegetables that concentrates in the macula of the eye. It acts as an antioxidant and light filter, helping...

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