Natural Factors 16,897 Reviews & Coupon*

Natural Factors has sold quality vitamin supplements for over 50 years. They’re led by Roland Gahler, Chairman and Owner. They keep prices competitve by owning their own farms. See 16,897+ Natural Factors Reviews and save an extra 10% on Natural Factors with Coupon Code* YAG250 at iherb.com/Natural-Factors?rcode=YAG250.

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Reviews: 16,897+
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Save an Extra 10% on 295 Natural Factors Vitamins

5-HTP 50 mg

7 Day Total Nutritional Cleansing Program Kit

AcaiRich Acai Berry Concentrate 500 mg

Acidophilus & Bifidus 10 Billion Active Cells

Natural Factors Advanced Eye Factors

Alpha-Lipoic Acid 100 mg

Alpha-Lipoic Acid 200 mg

Alpha-Lipoic Acid 400 mg

AndroSense T-Correct

Anti-V Formula with Echinamide

Anti-V Formula with Clinically Proven Echinamide 3.4 fl oz (100 ml)

Anti-V Formula with Clinically Proven Echinamide 60 Softgels

Natural Factors Apple Cider Vinegar

ApplePectinRich Super Strength Apple Pectin Concentrate

B12 Methylcobalamin 1000 mcg 180 Chewable Tablets

B12 Methylcobalamin 1000 mcg 90 Chewable Tablets

B12 1000 mcg

B12 Methylcobalamin 5000 mcg

B2 Riboflavin 100 mg

B6 Pyridoxine HCl 100 mg

B6 Pyridoxine HCl Plus Vitamin C 250 mg

Natural Factors Bee Pollen Plus Energy

Bee Propolis Throat Spray

Bee Propolis 500 mg

BetaCareAll 25000 IU

Betaine HCL with Fenugreek 500 mg

Big Friends C Tangy Orange Flavor 250 mg

Big Friends Children’s Chewable Multi Vitamin and Mineral Supplement

Bilberry 40 mg

Natural Factors BioSil Bone Collagenizer Matrix

Biosil Bone Collagenizer Ultra

BioSil Bone Collagenizer 50 Plus

Biosil Bone Collagenizer Classic

BioSil ch-OSA Advanced Collagen Generator 0.5 fl oz (15 ml)

Natural Factors BioSil ch-OSA Advanced Collagen Generator 120 veggie caps

BioSil ch-OSA Advanced Collagen Generator 120 Veggie Caps

Natural Factors BioSil ch-OSA Advanced Collagen Generator 30 veggie caps

Natural Factors BioSil ch-OSA Advanced Collagen Generator 60 veggie caps

BioSil Healthy Bones Plus Two-Part Program

BioSil On Your Game

Biotin 1000 mcg

Biotin 300 mcg

Biotin 5000 mcg

BlueRich Super Strength Blueberry Concentrate 500 mg

Bromelain 500 mg

C 500 mg

C 500 mg Blueberry Raspberry and Boysenberry 500 mg

C 500 mg Jungle Juice Flavor 500 mg

C 500 mg Mixed Fruit 500 mg

C 500 mg Peach Passionfruit and Mango Flavor

C 500 mg Tangy Orange Flavor

Calcium & Magnesium Citrate With D

Calcium Citrate 350 mg

Cayenne 470 mg

Celadrin Joint Health

Celery Seed Standardized Extract

CherryRich Super Strength Cherry Fruit Extract 500 mg

Natural Factors Chewable Papaya Enzymes

Chia Factors Whole Food Nutrition

Chromium & Vanadium 125 mcg

Chromium GTF Chelate 500 mcg

Chromium Picolinate 500 mcg

Citrus Bioflavonoids 650 mg

CLA Conjugated Linoleic Acid Blend 1000 mg

Natural Factors Coenzyme Q10 100 mg 120 softgels

Coenzyme Q10 100 mg 240 Softgels

Coenzyme Q10 200 mg 60 Softgels

Coenzyme Q10 400 mg 60 Softgels

Coenzyme Q10 100 mg 60 Softgels

Coenzyme Q10 Enhanced Absorption 50 mg 120 Softgels

Complete B 100 mg

Complete Megazymes

Cranberry Concentrate 36:1 250 mg

Natural Factors CranRich 180 capsules

CranRich Super Strength Cranberry Concentrate 500 mg 90 Capsules

CranRich Super Strength 500 mg

CurcuminRich Double Strength Theracurmin

CurcuminRich Theracurmin

Dandelion Root Extract

Detoxitech Detoxification and Cellular Cleansing

DGL

D’Pantothenic Acid 250 mg

E 400 IU Clear Base

Easy Iron 20 mg

Echinamide Active Defense Honey Lemon Syrup

Echinamide

Natural Factors Echinamide Throat Spray Formula with Propolis

Natural Factors Eye Factors

Fenugreek Seed 500 mg

Natural Factors Fish & Flax Oil

Folic Acid 1000 mcg

Folic Acid 400 mcg

Garcinia Cambogia 750 mg

Garlic Rich Super Strength Garlic Concentrate 500 mg

GarlicRich Garlic Concentrate 500 mg

Gastro-Assist

Ginkgo Biloba

Ginkgo Biloba Bonus Pack 2 Bottles

Ginkgo Biloba Phytosome 60 mg

Glucosamine & Chondroitin 500 mg/400 mg

Glucosamine Sulfate 500 mg 180 Capsules

Glucosamine Sulfate 500 mg 360 Capsules

GrapeSeedRich Grape Seed Extract 100 mg 120 Veggie Caps

Natural Factors GrapeSeedRich Grape Seed Extract 90 Veggie Caps

Green Tea Phytosome 50 mg

Hair Skin & Nails

Herbal Factors Milk Thistle 150 mg

HerbalFactors Panax Ginseng

Hi Potency B Complex

Horse Chestnut with Grape Seed Extract 350 mg

Hyabest Hyaluronic Acid 100 mg

Iron Chelate 25 mg

Lactase Enzyme 9000 FCC ALU

Natural Factors Liquid Kelp

Liver Health Formula

Natural Factors Liv-Gall Cleanse

Natural Factors Lung Bronchial & Sinus Health 45 tablets

Natural Factors Lung Bronchial & Sinus Health 90 tablets

Natural Factors Lutein 20 mg 120 softgels

Lutein 20 mg 60 Softgels

Lutein 40 mg

Lycopene 10 mg

Magnesium Citrate 150 mg 180 Capsules

Magnesium Citrate 150 mg 360 Capsules

Magnesium Citrate 150 mg 90 Capsules

MaitakeGold 404

Natural Factors Men’s 50+ MultiStart

Men’s MultiStart VitaMin A Day for Men

Natural Factors Milk Thistle Extract

Mixed E 200 IU Vitamin E

Mixed E 400 IU 180 Softgels

Mixed E 400 IU 240 Softgels

MSM & Glucosamine Sulfate

MSM (Methyl-Sulfonyl-Methane) 1000 mg

MSM Joint Formula

MSM (Methyl-Sulfonyl-Methane) 1000 mg

Multi Enzyme High Potency Vegetarian Formula

MultiFactors Women’s 50+

N-Acetyl-L Cysteine 500 mg

Natural Factors NEM

Niacin 100 mg

No Flush Niacin 500 mg

Natural Factors Oil of Oregano

Natural Factors Olive Leaf Extract

Omega Factors Flaxseed Oil 1000 mg 360 Softgels

Omega Factors Wild Alaskan Salmon Oil 1000 mg

OmegaFactors Ultra Prim Evening Primrose Oil 1000 mg 180 Softgels

OmegaFactors Ultra Prim Evening Primrose Oil 1000 mg 240 Softgels

OmegaFactors Ultra Prim Evening Primrose Oil 500 mg

Organic MacaRich Super Strength Power Maca with Ginseng 500 mg

OsteoMove Extra Strength Joint Care

Natural Factors Peppermint Plus Oregano Oil Complex

PeptACE Fish Peptides 500 mg

PGX Daily Singles Unflavored Granules 30 Sticks (2.5 g) Each

Natural Factors PGX Daily Ultra Matrix Softgels 750 mg 30 softgels

Natural Factors PGX Daily Ultra Matrix Softgels 750 mg 120 softgels

Natural Factors PGX Daily Ultra Matrix Softgels 750 mg 240 softgels

Phosphatidyl Choline (PC) 420 mg

Potassium Citrate 99 mg

Prostate Health Complete Herbal Formula

Natural Factors PS (Phosphatidylserine)

Natural Factors PS IQ Memory

Pycnogenol 25 mg

Quercetin Bioflavonoid Complex

ResveratrolRich Super Strength Resveratrol Concentrate

RevitalX Intestinal Rejuvenation Formula Drink Mix 2 lb (907 g)

RevitalX Intestinal Rejuvenation Formula Drink Mix 1 lb (454 g)

Rhodiola

Rutin 250 mg

RxOmega-3 Factors EPA 400 mg/DHA 200 mg 240 softgels

Natural Factors RxOmega-3 Factors 120 softgels

Rx Omega-3 Factors Pharmaceutical Grade Fish Oil Natural Orange Flavor

SAM-e (S-Adenosyl-L-Methionine) 200 mg 30 Enteric Coated Tablets

SAM-e (S-Adenosyl-L-Methionine) 200 mg 60 Enteric Coated Tablets

Saw Palmetto with Lycopene 160 mg

Saw Palmetto with Lycopene

Sea Rich Omega-3 Lemon Meringue

SeaRich Omega-3 with Vitamin D3 Lemon Meringue

SeaRich Omega-3 Delicious Coconut-Lime

SeaRich Omega-3 Lemon Meringue

SeaRich Omega-3 750 mg EPA 500 mg DHA Delicious Grapefruit Punch

SelenoExcell Selenium Yeast 200 mcg

Sexual Vitality For Men

Sleep Relax with Valerian & Hops

Slim Styles PGX 500 mg

Slim Styles Weight Loss Drink Mix with PGX French Vanilla

SlimStyles Weight Loss Drink Mix with PGX Powder Very Strawberry

SlimStyles PGX Granules Unflavored

SlimStyles PGX Ultra Matrix Plus Soothe Digest

SlimStyles Weight Loss Drink Mix with PGX Double Chocolate

St. John’s Wort 300 mg

Stress B Formula Plus 1000 mg C

Stress Relax Pharma GABA 100 mg

Stress-Relax 5-HTP 100 mg

Stress-Relax Ashwagandha Sensoril

Stress-Relax Kava Kava 250 mg

Stress-Relax Kava Kava 400 mg

Stress-Relax Magnesium Citrate Natural Berry Drink Mix

Stress-Relax Melatonin 3 mg

Stress-Relax Melatonin 5 mg

Natural Factors Stress-Relax Pharma GABA 60 chewable tablets

Natural Factors Stress Relax Pharma GABA 60 veggie caps

Stress-Relax Serenity Formula with Sensoril

Stress-Relax Suntheanine L-Theanine 100 mg 60 Chewable Tablets

Stress-Relax Suntheanine L-Theanine 125 mg 60 Veggie Caps

Natural Factors Stress-Relax Tranquil Sleep 60 Chewable Tablets

Stress-Relax Tranquil Sleep 90 Enteric Coated Softgels

Super Cod Liver Oil

Super Multi Iron Free

The Ultimate Antioxidant With Alpha-Lipoic Acid and Lutein

Natural Factors Thyroid Health Formula

Natural Factors Turmeric & Bromelain 450 mg 90 Capsules

Turmeric & Bromelain 450 mg 90 Capsules

Ubiquinol Active CoQ10 100 mg 120 Softgels

Ubiquinol QH Active CoQ10 100 mg 30 Softgels

Ubiquinol QH Active CoQ10 100 mg 60 Softgels

Ultimate Probiotic 12/12 Formula

Ultimate Probiotic Children’s Formula Powder

Ultimate Probiotic 12/12 Formula

Ultimate Probiotic Women’s Formula

Ultra Strength RxOmega-3 150 Enteripure Softgels

Ultra Strength RxOmega-3 Factors with Vitamin D3 1000 IU

Ultra-Lax Herbal Formula

Natural Factors Unbleached Lecithin

Natural Factors Urinary Flow Formula

Natural Factors UriSense

Valerian Root

Vegan Protein Factors Vanilla Bean

Venus On Fire Mars On Ice 253 Pages Hardback Book

Vitamin A 10000 IU

Natural Factors Vitamin C 1000 mg 90 tablets

Vitamin C Time Release 1000 mg

Vitamin D3 & K2

Vitamin D3 Drops for Kids 400 IU

Vitamin D3 Drops 1000 IU

Vitamin D3 for Kids Strawberry Flavor 400 IU

Vitamin D3 1000 IU 180 Softgels

Vitamin D3 1000 IU 180 Tablets

Vitamin D3 1000 IU 90 Tablets

Vitamin D3 2000 IU 120 Softgels

Vitamin D3 2000 IU 240 Softgels

Vitamin D3 2000 IU 90 Tablets

Vitamin D3 5000 IU 120 Softgels

Vitamin D3 5000 IU 240 Softgels

Vitamin D3 5000 IU 360 Softgels

Vitex Chasteberry Extract 80 mg

WellBetX Berberine 500 mg

WellBetX Complete Multi

WellBetX PGX Plus Mulberry 180 Softgels

Natural Factors WellBetX PGX 180 veggie caps

WellBetX PGX Weight Loss Shake Chocolate Powder

WellBetX CinnamonRich 150 mg

WellBetX Glucose Balance

Natural Factors WellBetX Mulberry Extract

WellBetX Weight Loss Shake French Vanilla

Whey Factors 100% Natural Whey Protein Matcha Green Tea

Whey Factors 100% Natural Whey Protein Natural Double Chocolate Flavor 12 oz (340 g)

Whey Factors 100% Natural Whey Protein Natural Double Chocolate Flavor 2 lbs (907 g)

Whey Factors 100% Natural Whey Protein Natural French Vanilla Flavor 12 oz (340 g)

Whey Factors 100% Natural Whey Protein Natural French Vanilla Flavor 2 lbs (907 g)

Whey Factors 100% Natural Whey Protein Natural Strawberry Flavor 2 lbs (907 g)

Whey Factors 100% Natural Whey Protein Unflavored 12 oz (340 g)

Whey Factors 100% Natural Whey Protein Unflavored 2 lbs (907 g)

Whey Factors 100% Natural Whey Proteins Natural Strawberry Flavor

Whole Earth & Sea Bone Structure Multivitamin & Mineral

Whole Earth & Sea Cogni-Fit

Whole Earth & Sea Herring Gold 1000 mg

Whole Earth & Sea Herring Gold 500 mg

Whole Earth & Sea Marine Algae-3 30 Veggie Caps

Whole Earth & Sea Men’s 50+ Multivitamin & Mineral

Whole Earth & Sea Men’s Multivitamin & Mineral

Whole Earth & Sea Pure Food Organic Vegan Greens Protein Bars

Whole Earth & Sea Sunflower Vitamin E 400 IU

Whole Earth & Sea Super Mushroom

Whole Earth & Sea Vitamin D3 1000 IU

Whole Earth & Sea Vitamin D3 5000 IU

Whole Earth & Sea Women’s 50+ Multivitamin & Mineral

Whole Earth & Sea Women’s Multivitamin & Mineral

Women’s MultiStart

Women’s Plus MultiStart

WomenSense AdrenaSense Adrenal Formula

Natural Factors WomenSense EstroSense Hormonal Balance 60 Veggie Caps

WomenSense EstroSense Hormone Balance 120 Veggie Caps

WomenSense MagSense Magnesium Glycinate Formula

Natural Factors WomenSense Menopause Black Cohosh Extract

WomenSense MenoSense Menopause Formula 180 Veggie Caps

WomenSense MenoSense Menopause Formula 90 Veggie Caps

WomenSense RxOmega-3 Women’s Blend

WomenSense SexEssentials Libido

Natural Factors WomenSense ThyroSense Thyroid Formula 120 Veggie Caps

WomenSense ThyroSense Thyroid 60 Veggie Caps

WomenSenseVeinSense Vein Support

Zinc Chelate 25 mg

Zinc Citrate 15 mg

Zinc Citrate 50 mg

Zymactive Double Strength 90 Enteric Coated Tablets

Zymactive Proteolytic Enzymes 90 Enteric Coated Tablets

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