Top 5 — Ranked by Evidence
Very Strong
Copper
Iron metabolism and anemia prevention
0.9 mg/day (RDA); 1–2 mg/day supplement; upper limit 10 mg/day; use 1 mg copper
Very Strong
Omega-3 Fatty Acids
Heart Health
1–3 g/day combined EPA+DHA for general health; 2–4 g/day for triglyceride reduct
Very Strong
Pycnogenol® (French Maritime Pine Bark)
Cardiovascular health and blood pressure
50–200 mg/day; cardiovascular: 100–200 mg/day; cognitive: 100 mg/day; athletic p
Very Strong
Vitamin A
Vision support
700–900 mcg RAE/day (adults); upper limit 3,000 mcg RAE/day
Very Strong
Vitamin C
Immune System Support
75–90 mg/day (RDA); immune/antioxidant: 200–500 mg/day; upper limit 2,000 mg/day
All Antioxidant Ingredients (64)
Very Strong
Copper
Iron metabolism and anemia prevention
0.9 mg/day (RDA); 1–2 mg/day supplement; upper limit 10 mg/day; use 1 mg copper
Very Strong
Omega-3 Fatty Acids
Heart Health
1–3 g/day combined EPA+DHA for general health; 2–4 g/day for triglyceride reduct
Very Strong
Pycnogenol® (French Maritime Pine Bark)
Cardiovascular health and blood pressure
50–200 mg/day; cardiovascular: 100–200 mg/day; cognitive: 100 mg/day; athletic p
Very Strong
Vitamin A
Vision support
700–900 mcg RAE/day (adults); upper limit 3,000 mcg RAE/day
Very Strong
Vitamin C
Immune System Support
75–90 mg/day (RDA); immune/antioxidant: 200–500 mg/day; upper limit 2,000 mg/day
Strong
Alpha Lipoic Acid
Universal antioxidant
300–600 mg/day racemic ALA; 100–300 mg/day R-ALA (more bioavailable)
Strong
Andrographis (ParActin®)
Cold and upper respiratory infection treatment
200–400 mg/day standardized extract (at 30% andrographolide); cold/flu treatment
Strong
Black Seed Oil / Thymoquinone (ThymoQuin®)
Immune system modulation and respiratory health
450–2,000 mg/day black seed oil; ThymoQuin® clinical doses: 450–900 mg/day; most
Strong
CoEnzyme Q10
Heart failure mortality and cardiovascular events
100–300 mg/day ubiquinol (reduced form) or ubiquinone; heart failure: 100–300 mg
Strong
Curcumin C3 Complex® (Most Studied Curcumin Extract)
Anti-inflammatory activity across 80+ studies
500–1,000 mg/day curcumin C3 Complex® (standardized to 95% curcuminoids); combin
Strong
Garlic (Allium sativum)
Blood pressure reduction
600–1,200 mg/day aged garlic extract (AGE); raw garlic equivalent: 2–4 cloves/da
Strong
Ginger (Zingiber officinale)
Nausea and vomiting relief
250–2,000 mg/day dried ginger powder or standardized extract; nausea: 1–1.5 g/da
Strong
Grape Seed Extract (OPC)
Blood pressure reduction
100–400 mg/day standardized extract (≥95% OPCs); blood pressure: 150–300 mg/day
Strong
Green Tea
Antioxidant Properties
250–500 mg/day EGCG standardized extract; whole green tea: 3–5 cups/day (≈240–32
Strong
Hytolive® (Olive Fruit Polyphenols / Hydroxytyrosol)
LDL oxidation protection (EU-authorized health claim)
5–20 mg/day hydroxytyrosol (as Hytolive®); EU health claim: ≥5 mg/day hydroxytyr
Strong
Lutein
Eye Health Benefits
6–20 mg/day; AREDS2: 10 mg/day lutein + 2 mg zeaxanthin; eye health: 10–20 mg/da
Strong
Manganese
Mitochondrial antioxidant defense via MnSOD
1.8–2.3 mg/day (AI for adults); upper limit 11 mg/day; most multivitamins contai
Strong
NAC (N-Acetylcysteine)
Antioxidant Support
600–1,800 mg/day in divided doses; respiratory: 600 mg twice daily; liver suppor
Strong
Olive Leaf Extract (Witholytin®)
Blood pressure reduction
500–1,000 mg/day standardized extract; EFSA cardiovascular claim dose: 5 mg/day
Strong
Selenium
Antioxidant defense
55 mcg/day (RDA); therapeutic studies: 100–200 mcg/day; upper limit 400 mcg/day
Strong
Sulforaphane / Glucoraphanin (Truebroc®)
Nrf2 pathway activation and antioxidant defense
30–60 mg/day glucoraphanin (equivalent to ~10–20 mg sulforaphane); 100g fresh br
Strong
Urolithin A (Mitopure® — Mitophagy Activator)
Muscle strength improvement — 12% gain in ATLAS RCT
500–1,000 mg/day Urolithin A (as Mitopure®); ATLAS trial: 500 mg (significant) a
Strong
Vitamin E
Antioxidant protection
15 mg/day (RDA); therapeutic studies use 400–1,000 IU/day
Moderate
Amla / Indian Gooseberry (Capros®)
Exceptional antioxidant capacity and vitamin C delivery
250–500 mg/day Capros® standardized extract; traditional amla powder: 3–6 g/day;
Moderate
Astaxanthin
Eye Health Benefits
4–12 mg/day from Haematococcus pluvialis extract; skin: 4–6 mg/day; exercise rec
Moderate
Bilberry (Vaccinium myrtillus)
Night vision and dark adaptation
80–480 mg/day standardized extract (25% anthocyanosides = 20–120 mg anthocyanins
Moderate
Coffee Fruit Extract (CoffeeFruit Pure™)
BDNF elevation — the brain growth factor
100–200 mg/day whole coffee fruit concentrate; NeuroFactor™ clinical dose: 100 m
Moderate
Cranberry
Urinary Tract Health
400–500 mg/day standardized extract (PAC 36 mg); for UTI prevention: daily long-
Moderate
Curcumin/Turmeric
Anti-Inflammatory Effects
General studies suggest a dose of 500–2,000 mg of turmeric powder daily, which t
Moderate
Ecklonia Cava (Brown Seaweed Polyphenol)
Superior antioxidant activity — unique marine polyphenols
400–800 mg/day Ecklonia cava extract standardized for phlorotannins; clinical st
Moderate
Elderberry
Reduced cold and flu duration
600–900 mg extract/day during illness; 150–300 mg/day for prevention
Moderate
Epicatechin (Myostatin Inhibitor / Muscle Flavonol)
Myostatin inhibition and follistatin elevation
50–200 mg/day (-)-epicatechin; muscle/anabolic applications: 150–200 mg/day; car
Moderate
Ergothioneine (ErgoActive®)
Exceptional cellular antioxidant protection
5–30 mg/day; most human studies use 5–20 mg/day; dietary intake from mushrooms t
Moderate
Eriocitrin / Eriomin® (Lemon Flavonoid)
Postprandial blood sugar and insulin reduction
200–400 mg/day Eriomin® standardized extract; blood sugar: 200 mg/day; uric acid
Moderate
Holy Basil (Tulsi)
Stress adaptation and cortisol regulation
300–600 mg/day dried leaf extract; 1–2 g/day whole leaf powder
Moderate
Lycopene
Antioxidant Protection
8–21 mg/day from food or supplements; cardiovascular/prostate: 15–45 mg/day; tom
Moderate
MSM (Methylsulfonylmethane)
Joint Health and Arthritis Relief
1,000–3,000 mg/day elemental sulfur form; joint/anti-inflammatory: 1,500–3,000 m
Moderate
Melostacio® (Mango Leaf Extract)
Blood glucose and insulin management
100–300 mg/day mangiferin (as Melostacio® standardized extract); metabolic effec
Moderate
Milk Thistle
Liver Health Support
The efficacy of these mechanisms depends on silymarin content (standardized extr
Moderate
Moringa
Antioxidant and anti-inflammatory
2–7 g/day leaf powder; clinical studies typically use 6–8 g/day
Moderate
Nutroxsun® (Rosemary + Grapefruit Skin Protection)
Internal UV photoprotection
250 mg/day Nutroxsun®; take 1–2 hours before anticipated UV exposure for best ph
Moderate
Polypodium Leucotomos
Skin Protection Against UV Damage
Typically dosed at 240–480 mg/day
Moderate
Pomegranate Extract (Pomella®)
Cardiovascular protection and blood pressure
200–1,000 mg/day standardized extract; pomegranate juice studies use 240–500 mL/
Moderate
Puremidine™ (Spermidine)
Autophagy induction and cellular rejuvenation
1–10 mg/day spermidine; observational longevity data at dietary intake of ~10–15
Moderate
Quercetin
Antioxidant Protection
500–1,000 mg/day; absorption enhanced significantly with vitamin C or bromelain;
Moderate
Reishi Mushroom
Immune modulation
1.5–9 g/day whole mushroom powder; 1–1.5 g/day standardized extract
Moderate
Resveratrol
Cardiovascular protection
150–500 mg/day trans-resveratrol; bioavailability enhanced with piperine or lipo
Moderate
Setria® Glutathione
Increased blood and tissue glutathione levels
250–500 mg/day; 250 mg shown effective for increasing blood glutathione levels
Moderate
Spirulina
Lipid profile improvement
1–8 g/day; most clinical trials use 2–4 g/day
Moderate
Terminalia Arjuna (Oxyjun®)
Cardiorespiratory endurance improvement
500 mg/day Oxyjun®; traditional cardiac use: 1–3 g/day bark powder; effects on c
Moderate
Terminalia Chebula (Rejuna®)
Exceptional antioxidant capacity and cellular protection
500–1,000 mg/day standardized extract; Rejuna® clinical dose: 500 mg/day; tradit
Moderate
Turkey Tail Mushroom
Immune system activation
1–3 g/day PSK extract; 2–9 g/day whole mushroom powder
Moderate
Yüth® (Longevity Polyphenol Blend)
Cellular senescence clearance (senolytics)
Per Yüth® product specifications; individual component doses vary: fisetin 100–5
Moderate
Zeaxanthin
Eye Health Protection
2–10 mg/day; AREDS2 formula uses 2 mg zeaxanthin + 10 mg lutein; combined lutein
Limited
Acai Berry
Exceptional antioxidant capacity
100–200 g fresh pulp/day; 8–25 g freeze-dried powder; most supplements use 500–1
Limited
Astrion® (NuLiv Science Beauty-From-Within)
Skin hydration and moisture retention
Per Astrion® product specifications; NuLiv Science beauty-from-within dosing dat
Limited
Chlorella
Heavy metal and toxin binding
3–10 g/day dried powder (tablets or powder); cracked cell wall preparation essen
Limited
CompleteGreens™ (Comprehensive Greens Base)
Complete phytonutrient and micronutrient coverage
3–8g/day comprehensive greens blend; specific CompleteGreens™ dosing per NNB pro
Limited
Dandelion Root
Liver support and detoxification
2–8 g/day dried root; 250–500 mg standardized extract three times daily
Limited
Eyebright (Euphrasia officinalis)
Conjunctivitis and eye irritation relief
Oral: 400–800 mg/day dried herb or standardized extract; ophthalmic solution: 1–
Limited
MitoGreens® (Mitochondrial Greens Complex)
Mitochondrial energy production support
Per product label serving size; typical greens blend 3–8g/day; specific MitoGree
Limited
MitoReds™ (Mitochondrial Reds Complex)
Nitric oxide and cardiovascular support
Per product label; typical reds blend 3–6g/day; specific MitoReds™ dosing per NN
Limited
ZinjaBurn® (Dehydrozingerone)
Thermogenic fat oxidation
100–300 mg/day dehydrozingerone; NNB ZinjaBurn® formulation dose per product lab
Preliminary
Noni (Morinda citrifolia)
Antioxidant activity
30–750 mL/day noni juice; most studies use 29–118 mL (1–4 oz) daily; freeze-drie