Vitamin E

Description

Vitamin E is a group of eight fat-soluble compounds, including four tocopherols and four tocotrienols, with alpha-tocopherol being the most biologically active form in humans. It primarily functions as a powerful antioxidant, scavenging free radicals and preventing the oxidation of polyunsaturated fatty acids in cell membranes. Beyond its antioxidant role, Vitamin E is crucial for various physiological processes. It supports immune function by protecting immune cells from damage, plays a role in gene expression, and is involved in cell signaling. It also contributes to healthy skin by helping maintain its barrier function and protecting it from environmental damage. Maintaining adequate Vitamin E levels is important for overall health, contributing to cardiovascular well-being by preventing the oxidation of LDL cholesterol, and supporting nerve and muscle function. Due to its fat-soluble nature, it is best absorbed when consumed with dietary fats.

Sources
Sunflower seedsAlmondsWheat germ oilHazelnutsPeanutsSpinachBroccoliAvocadoOlive oilSoybean oil
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Timing & Intake
AnytimeWith foodTake with fat-containing meal
As a fat-soluble vitamin, absorption is significantly enhanced when taken with a meal containing dietary fat.
Daily Intake
RDA (Men)22 IU
RDA (Women)22 IU
RDI22 IU
Optimal Dosage
Minimum100 IU
Maximum200 IU
Safety & Toxicity
Upper Limit (UL)1500 IU
Toxicity Threshold2000 IU
Toxicity Effectbleeding risk
Goals
Vision Support
Vision Support
Impact
Highest effect
Typical dose:200–400 IU
Vitamin E works synergistically with Vitamin C and other antioxidants to protect the delicate fatty acids in the retina from free radical damage. Its inclusion in the AREDS/AREDS2 formula highlights its clinical efficacy in slowing the progression of age-related macular degeneration.
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Anti-Inflammatory Support
Anti-Inflammatory Support
Impact
High effect
Typical dose:100–400 IU
Vitamin E is essential for neutralizing free radicals within cellular membranes, preventing a chain reaction of oxidative damage that perpetuates inflammation. It works synergistically with other antioxidants like Vitamin C and selenium to maintain cellular health.
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Cardiovascular Support
Cardiovascular Support
Impact
High effect
Typical dose:100–400 IU
Vitamin E is a crucial antioxidant that integrates into cell membranes and lipoproteins, directly protecting them from lipid peroxidation. Preventing the oxidation of LDL cholesterol is a key step in halting the progression of atherosclerosis. It works synergistically with Vitamin C, which regenerates it.
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Detoxification
Detoxification
Impact
High effect
Typical dose:100–400 IU
As a primary fat-soluble antioxidant, Vitamin E is crucial for preventing lipid peroxidation in the liver. This action preserves the integrity of hepatocytes, ensuring they can function optimally under the metabolic stress of processing toxins.
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Skin Health
Skin Health
Impact
High effect
Typical dose:100–400 IU
Vitamin E is the most abundant antioxidant in the epidermis, protecting the skin's lipid structures from free radical damage. It works in concert with Vitamin C to provide comprehensive protection against environmental stressors like UV light and pollution.
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Product stats
Price per product
Average$26.53
Median$24.50
Price per serving
Average$0.61
Median$0.48
Price per 10 IU
Average$0.17
Median$0.09
Price distribution
Price per serving distribution
Price per 10 IU
Reference amount: 10 IU
Forms
Paired ingredients
Ingredient forms
D-Alpha-Tocopheryl Succinate (65)88
D-Alpha-Tocopheryl Succinate is an ester of natural d-alpha-tocopherol and succinic acid. This esterification makes it more stable than free tocopherol and often water-dispersible, making it suitable for various supplement formulations. It must be hydrolyzed in the digestive system to release d-alpha-tocopherol, the biologically active form of Vitamin E, which is then absorbed. It provides potent antioxidant protection.
Pros
  • Highly stable form of natural Vitamin E
  • Water-dispersible, suitable for various formulations
  • Excellent bioavailability after conversion
  • Strong antioxidant properties
Cons
  • Requires enzymatic conversion in the body to become active
  • May be slightly less immediate in action than free tocopherol
Per product
Avg$32.63
Med$29.54
Per serving
Avg$0.80
Med$0.73
Per 100 IU
Avg$1.06
Med$0.58
Price distribution
D-Alpha-Tocopherol (49)92
D-Alpha-Tocopherol is the unesterified, natural form of Vitamin E recognized as having the highest biological activity. It is readily absorbed and immediately available for use by the body's cells without requiring prior conversion. While highly effective, it is less stable than its ester forms and is susceptible to degradation by light, air, and heat, typically necessitating formulation in softgels or oil-based products.
Pros
  • Highest biological activity among Vitamin E forms
  • Directly absorbed and utilized by the body
  • Potent antioxidant properties
  • Natural source
Cons
  • Less stable than ester forms (e.g., acetate, succinate)
  • Susceptible to oxidation when exposed to air, light, and heat
Per product
Avg$30.86
Med$29.99
Per serving
Avg$0.67
Med$0.64
Per 10 IU
Avg$0.05
Med$0.04
Price distribution
D-Alpha-Tocopheryl Acetate (32)89
D-Alpha-Tocopheryl Acetate is an ester of natural d-alpha-tocopherol and acetic acid. This form is highly stable against oxidation, light, and heat, making it a popular choice for dietary supplements and topical formulations. Once ingested, it is readily converted by enzymes (esterases) in the gut and liver back into free d-alpha-tocopherol, which is then absorbed and utilized by the body. This conversion ensures excellent bioavailability of the active Vitamin E.
Pros
  • Excellent stability and resistance to oxidation
  • Widely available and commonly used in supplements and topical products
  • Good bioavailability after enzymatic conversion
  • Natural source of alpha-tocopherol
Cons
  • Requires enzymatic conversion to become the active form (d-alpha-tocopherol)
  • Slightly delayed action compared to unesterified tocopherol
Per product
Avg$23.71
Med$24.89
Per serving
Avg$0.59
Med$0.43
Per 10 IU
Avg$0.44
Med$0.17
Price distribution
DL-Alpha-Tocopheryl Acetate (22)75
DL-Alpha-Tocopheryl Acetate is a synthetic ester of alpha-tocopherol. The 'DL' prefix indicates it is a mixture of eight stereoisomers, only one of which (d-alpha-tocopherol) is identical to the natural form. This form is very stable and resistant to oxidation, making it a common and cost-effective ingredient in many supplements and fortified foods. However, its biological activity is generally considered to be about half that of the natural d-alpha-tocopherol forms, as not all stereoisomers are equally utilized by the body.
Pros
  • Highly stable and resistant to oxidation
  • Cost-effective and widely available
  • Converts to alpha-tocopherol in the body
Cons
  • Lower biological activity compared to natural d-alpha forms (approximately 50%)
  • Synthetic origin
Per product
Avg$18.39
Med$16.74
Per serving
Avg$0.37
Med$0.32
Per 10 IU
Avg$0.16
Med$0.16
Price distribution
D-Alpha-Tocopherol Succinate (18)88
D-Alpha-Tocopherol Succinate is an ester of natural d-alpha-tocopherol and succinic acid, chemically identical to D-Alpha-Tocopheryl Succinate. This esterification confers increased stability and often water-dispersibility, making it a versatile ingredient for various supplement forms. It is converted back into d-alpha-tocopherol in the digestive system, ensuring excellent bioavailability of the active vitamin and potent antioxidant benefits.
Pros
  • Highly stable form of natural Vitamin E
  • Often water-dispersible, expanding formulation options
  • Excellent bioavailability after conversion
  • Strong antioxidant properties
Cons
  • Requires enzymatic conversion in the body to become active
  • May be slightly less immediate in action than free tocopherol
Per product
Avg$39.90
Med$34.99
Per serving
Avg$1.13
Med$1.06
Per 100 IU
Avg$2.59
Med$1.27
Price distribution
Mixed Tocopherols (12)95
Mixed Tocopherols provide a more comprehensive Vitamin E profile than alpha-tocopherol alone, consisting of d-alpha, d-beta, d-gamma, and d-delta tocopherols. While d-alpha-tocopherol is often prioritized for its biological activity, other tocopherols, particularly gamma-tocopherol, possess unique antioxidant properties and contribute significantly to overall health, including distinct anti-inflammatory effects. This natural blend offers synergistic protection against oxidative stress and is considered by many to be a more complete and effective form of Vitamin E supplementation.
Pros
  • Full spectrum of natural tocopherols
  • Synergistic antioxidant activity
  • Includes gamma-tocopherol, noted for unique anti-inflammatory benefits
  • More comprehensive protection than alpha-tocopherol alone
Cons
  • Potency standardization can be more complex due to multiple components
  • May contain lower levels of alpha-tocopherol compared to pure alpha-tocopherol supplements
Per product
Avg$31.62
Med$33.56
Per serving
Avg$0.89
Med$0.75
Per 10 IU
Avg$0.26
Med$0.24
Price distribution
Alpha-Tocopheryl Acetate (7)80
Alpha-Tocopheryl Acetate refers to an ester of alpha-tocopherol with acetic acid, providing a stable form of Vitamin E. While the 'alpha' specifies the tocopherol type, this general term does not distinguish between natural (d-alpha) and synthetic (dl-alpha) origins unless further specified. It is commonly used due to its excellent stability, resisting degradation from oxidation, light, and heat. Upon ingestion, it is converted into active alpha-tocopherol within the body, offering antioxidant benefits, but its exact biological activity depends on its d- or dl- isomer composition.
Pros
  • High stability and resistance to environmental degradation
  • Widely used in various formulations (oral and topical)
  • Good source of alpha-tocopherol after conversion
Cons
  • Origin (natural vs. synthetic) and specific biological activity can be ambiguous without 'D-' or 'DL-' prefix
  • Requires enzymatic conversion for activity
Per product
Avg$17.47
Med$15.59
Per serving
Avg$0.49
Med$0.53
Per 10 IU
Avg$0.34
Med$0.35
Price distribution
D-Alpha-Tocopheryl Acid Succinate (5)88
D-Alpha-Tocopheryl Acid Succinate is chemically equivalent to D-Alpha-Tocopheryl Succinate, representing a natural form of Vitamin E esterified with succinic acid. The 'acid' term often emphasizes the acidic nature of the succinyl group. This form is particularly stable and can be water-dispersible, making it ideal for various supplement applications. It is efficiently converted into free d-alpha-tocopherol in the body, providing excellent absorption and the full range of Vitamin E's potent antioxidant and health benefits.
Pros
  • Highly stable form of natural Vitamin E
  • Water-dispersible, suitable for various formulations
  • Excellent bioavailability after conversion
  • Strong antioxidant properties
Cons
  • Requires enzymatic conversion in the body to become active
  • May be slightly less immediate in action than free tocopherol
Per product
Avg$19.00
Med$19.99
Per serving
Avg$0.26
Med$0.21
Per 10 IU
Avg$0.03
Med$0.03
Price distribution