xtendlife Multi-xtra vs Dr Whitaker Forward Plus Daily Regimen

Find the best multivitamin

Unveiling all the intricacies. Let us help you make an informed decision between xtendlife Multi-xtra vs Dr Whitaker Forward Plus Daily Regimen. Take the time to look through the full comparison of vitamins and minerals by scrolling down.

Legend and instructions

The Complete Nutritional Comparison shows matched nutrients side-by-side with the following symbols:

  • -58% ↓ OR  43% ↑ OR = (the differences in the amount of the ingredient)
  • ~ (means ingredients are similar nutritionally)
  • (beside ingredients in the first multi with no match in the second multi) OR  (for ingredients that are only present in the second multi)
  • information button (Click to see the reasons for similar matches and for important information.)
  • click to expand button (Click to expand the sections below)
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Complete nutritional comparison



Ingredient
xtendlife Multi-xtra (Daily Dose)Dr Whitaker Forward Plus Daily Regimen (Daily Dose)

Difference


Matched Ingredient
Vitamin A (as Natural Mixed Carotenoids)5000 IU4500 mcg RAE200% ↑Vitamin A (90% as beta-carotene, 10% as retinyl palmitate)
Vitamin C (from155 mg1000 mg545% ↑Vitamin C (as magnesium and calcium ascorbates, ascorbic acid)
(from Calcium Ascorbate150 mg
Potassium Ascorbate50 mg
Ascorbyl Palmitate)10 mg
Vitamin D (as Cholecalciferol)500 IU20 µg60% ↑Vitamin D (as cholecalciferol 400 IU)
Vitamin D3 is a form of vitamin D. Cholecalciferol is also called vitamin D3.
Sources:
• "Explains the relationship between different forms of Vitamin D and how they are processed in the body."
Office of Dietary Supplements - National Institutes of Health - USA
Dietary Supplement Fact Sheet: Vitamin D
• "Vitamin D sources, methods of activiation in the body and uses"
by Jane Higdon, Ph.D and Victoria J. Drake, Ph.D, Linus Pauling Institute
LPI - Micro Nutrient Info Center - Vitamin D
• "On Vitamin D chemistry, sources, biological actions and clinical significance"
by Richard S. Bak, Ph.D., Warde Medical Laboratory
Vitamin D and Metabolites
• "Human trial comparing potencies of Vitamins D2 and D3"
by Robert P. Heaney Robert R. Recker James Grote Ronald L. Horst Laura A. G. Armas, The Journal of Clinical Endocrinology & Metabolism
JCEM - Vitamin D3 Is More Potent Than Vitamin D2 in Humans
Vitamin E102 IU134 mg96% ↑Vitamin E (as d-alpha tocopheryl succinate)
(as D-Alpha tocopheryl succinate from vegetable and soy bean oils and Tocomin® tocotrienol/tocopherol complex (from African Oil Palm)) (1 mg = 1.21 IU)10 mgMixed Tocotrienols (from palm oil)
D alpha tocopherol is also called vitamin E. Mixed tocotrienols is a form of vitamin E.
Sources:
• "Vitamin E: Function, Deficiency, The RDA, Disease Prevention, Disease Treatment, Sources, Safety and LPI Recommendation"
by Jane Higdon, Ph.D and Victoria J. Drake, Ph.D, Linus Pauling Institute
Micro Nutrient Info Center - Vitamin E
• "Dietary supplement ingredient database: unit conversion tables"
National Institute of Health
Unit conversions for vitamins
Vitamin K (as Menaquinone-4)180 µg
Thiamin12 mg50 mg317% ↑Thiamine (as mononitrate)
(from Thiamin Hydrochloride)13.5 mg
Riboflavin10 mg50 mg400% ↑Riboflavin
(from Riboflavin-5-Phosphate)19.4 mg
Niacin26 mg100 mg NE285% ↑Niacin (as niacinamide, niacin)
(from Nicotinic Acid14 mg
Niacinamide)14 mg
Vitamin B68 mg76 mg850% ↑Vitamin B6 (as pyridoxine hydrochloride)
(from Pyridoxal-5-Phosphate)11.7 mg
Folic Acid323 µg1330 mcg DFE147% ↑Folate
Both folic acid and folate are forms of vitamin B9.
Sources:
• "Small Molecule Pathway Database (SMPDB): Folate metabolism"
Genome Alberta, Genome British Columbia & Genome Canada
SMPDB: Folate Metabolism
• "Folate fact sheet for health professionals"
Office of Dietary Supplements - National Institutes of Health - USA
Folate fact sheet for Health Professionals
Vitamin B12 (as Cobamamide)25 µg150 µg500% ↑Vitamin B12 (as cyanocobalamin)
Biotin400 µg300 µg-25% ↓Biotin
Pantothenic Acid41 mg50 mg22% ↑Pantothenic Acid (as calcium pantothenate)
(from Calcium Pantothenate)45.3 mg
Calcium (from65 mg1000 mg1438% ↑Calcium (as carbonate, ascorbate)
Calcium Carbonate (from Red Algae (Lithothamnium species),100 mg
Calcium Ascorbate150 mg
Calcium Magnesium Inositol Hexaphosphate60 mg
Dicalcium Phosphate21 mg
Calcium Panthothenate)45.3 mg
Iodine150 µg150 µg=Iodine (as potassium iodide)
(from Potassium Iodide)197 µg
Magnesium (from64 mg500 mg681% ↑Magnesium (as oxide, ascorbate)
Magnesium Citrate200 mg
Calcium Magnesium Inositol Hexaphosphate60 mg
Magnesium Stearate)16 mg
Zinc9 mg30 mg233% ↑Zinc (as monomethionine)
(from Zinc Citrate)31 mg
Selenium100 µg200 µg100% ↑Selenium (as selenomethionine)
(from L-Selenomethionine)250 µg
Copper0.1 mg2 mg1900% ↑Copper (as gluconate)
(from Copper Gluconate)0.71 mg
Manganese2 mg10 mg400% ↑Manganese (as gluconate)
(from Manganese Citrate)8 mg
Chromium106 µg200 µg89% ↑Chromium (as polynicotinate)
(from Chromium picolinate)884 µg
Molybdenum64 µg130 µg103% ↑Molybdenum (as ascorbate)
(from Molybdenum Glycinate)641 µg
Potassium (from47 mg
Tripotassium Citrate100 mg
Potassium Ascorbate50 mg
Potassium Iodide)0.19 mg
MSM (Methylsufonyl Methane)100 mg
Choline Bitartrate95 mg200 mgCholine (as bitartrate)
Choline bitartrate contains choline.
Sources:
• "Tool for calculating molecular weights"
by webqc.org, webqc.org
Web QC - Molecular Weight Calculation Tool
Inositol (from 50 mg of Inositol and67 mg40 mg-40% ↓Inositol
Inositol Hexaphosphate)60 mg
PABA (p-Aminobenzoic Acid)50 mg50 mg=Para-Aminobenzoic Acid (PABA)
Soy Lecithin50 mg
(a source of Phosphatidyl Choline)
Horsetail extract (from Equisetum arvense, leaf & stem)40 mg26 mgSilica (as silicon dioxide)
Both horsetail extract and silica contain silicon.
Sources:
• "Commercial sources of horsetail typically claim to contain 7.5% silicon and 10:1 concentration"
by Karen Walsh, Vitamin Inspector
• "Tool for calculating molecular weights"
by webqc.org, webqc.org
Web QC - Molecular Weight Calculation Tool
Mineral sea salts (providing trace elements including Rubidium, Strontium and Tungsten)30 mg10 mg-67% ↓Trace Mineral Complex
Comparison figures for extracts, concentrates and complexes should not be relied on. The original ingredients and extraction processes may differ widely.
Green Tea Extract (from Camellia sinensis, leaf)25 mgGrape Seed Extract [contained in: Proprietary Fruit Blend]
Green tea extract contains epigallocatechin 3-O-gallate. Both epigallocatechin 3-O-gallate and procyanidin B2 3,3'-di-O-gallate are forms of flavanol. Grape seed extract contains procyanidin B2 3,3'-di-O-gallate.
Sources:
• "Phenol Explorer - free access tool showing the amount of polyphenols in foods and metabolites"
by Various, French National Institute for Agriculture et al.
Phenol-Explorer (Database on polyphenol content in foods)
• "(2004) Phenolic Compounds in Fruits and Vegetables. Phenolics in Food and Nutraceuticals. p 147 "
by Fereidoon Shahidi, Marian Naczk
• "Study on procyanidin B2 3,3″-di-O-gallate and prostrate cancer"
by Alpna Tyagi,1 Komal Raina et al., University of Colorado
Procyanidin B2 3,3″-di-O-gallate, a biologically active constituent of grape seed extract, induces apoptosis in human prostate cancer cells via targeting NF-κB, Stat3 and AP1 transcription factors
• "Integrative Medicine - Green Tea"
Memorial Sloane Kettering Cancer Centre
MSKCC - Green Tea
(providing Catechins)18.25 mg
Betain HCl24 mg
Alfafa Extract (from Medicago sativa Leaf and Stem) (equivalent to 120mg of Fresh Alfafa)10 mg
Amylase (from fermentation of Aspergillus oryzae)10 mg
Bromelain (from Pineapple stem)10 mg
Rutin (from Japanese Sophora Bud)9 mg50 mg456% ↑Rutin
Piperine4 mg
(from Piper nigrum (Black pepper) extract, fruit)5 mg
Tocotrienol/tocopherol complex from (from1.9 mg100 mgGamma Tocopherol
Both tocopherol tocotrienol mixture and d-gamma-tocopherol are forms of vitamin E.
Sources:
• "Vitamin E: Function, Deficiency, The RDA, Disease Prevention, Disease Treatment, Sources, Safety and LPI Recommendation"
by Jane Higdon, Ph.D and Victoria J. Drake, Ph.D, Linus Pauling Institute
Micro Nutrient Info Center - Vitamin E
• "Article on the benefits of mixed tocopherols"
Smart Publications
Are you taking the wrong Vitamin E? - Smart Publications
Tocomin® from African Oil Palm)10 mg10 mgDelta Tocopherol
Tocomin ® contains d-delta-tocopherol.
Sources:
• "Patent for Tocomin - Drug delivery system:formulation for fat-soluble drugs "
Patent for Tocomin
• "Tocopherol and tocotrienol content of various oils"
Carotech
Sources of tocopherols and tocotrienols - Carotech
Boron600 µg
(from Boron Citrate)12 mg
Lutein500 µg1000 µg100% ↑Lutein (from marigold flower)
(from Aztec Marigold Flower Extract)10 mg
Lycopene180 µg1000 µg456% ↑Lycopene (from tomato fruit)
(from Tomato extract)900 mg
Zeaxanthin25 µg
(from Aztec Marigold Flower Extract)500 µg
250 mgCitrus Bioflavonoid Complex
30 mgAlpha Lipoic Acid
O-3 Essentials®
2 gFish Oil Concentrate
540 mgEPA (eicosapentaenoic acid)(as ethyl ester)
360 mgDHA (docosahexaenoic acid)(as ethyl ester)
PhytoNutrient Essentials®
1000 mgCinnamon (as Cinnamomum cassia, bark)
200 mgProprietary Fruit Blend [all ingredients are matched elsewhere]
Red Raspberry Concentrate
Plum Concentrate
Strawberry Concentrate
Tart Cherry Concentrate
Wild Blueberry Powder
Wild Billberry Concentrate
Cranberry Concentrate
8 mgResveratrol (from Japanese knotweed, root)

Nutrients exclusive to xtendlife Multi-xtra

Dose: Adult
Vitamin K (as Menaquinone-4)180 µg
Potassium (from47 mg
Tripotassium Citrate100 mg
Potassium Ascorbate50 mg
Potassium Iodide)0.19 mg
MSM (Methylsufonyl Methane)100 mg
Soy Lecithin50 mg
(a source of Phosphatidyl Choline)
Betain HCl24 mg
Alfafa Extract (from Medicago sativa Leaf and Stem) (equivalent to 120mg of Fresh Alfafa)10 mg
Amylase (from fermentation of Aspergillus oryzae)10 mg
Bromelain (from Pineapple stem)10 mg
Piperine4 mg
(from Piper nigrum (Black pepper) extract, fruit)5 mg
Boron600 µg
(from Boron Citrate)12 mg
Zeaxanthin25 µg
(from Aztec Marigold Flower Extract)500 µg

Nutrients exclusive to Dr Whitaker Forward Plus Daily Regimen

Dose: Adult
Citrus Bioflavonoid Complex250 mg
Alpha Lipoic Acid30 mg
O-3 Essentials®
Fish Oil Concentrate2 g
EPA (eicosapentaenoic acid)(as ethyl ester)540 mg
DHA (docosahexaenoic acid)(as ethyl ester)360 mg
PhytoNutrient Essentials®
Cinnamon (as Cinnamomum cassia, bark)1000 mg
Proprietary Fruit Blend [all ingredients are matched elsewhere]200 mg
Red Raspberry Concentrate
Plum Concentrate
Strawberry Concentrate
Tart Cherry Concentrate
Wild Blueberry Powder
Wild Billberry Concentrate
Cranberry Concentrate
Resveratrol (from Japanese knotweed, root)8 mg

Other ingredients

xtendlife Multi-xtraDr Whitaker Forward Plus Daily Regimen
Microcrystalline Cellulose, Dextrose, Clear Glaze (Talc, Polyvinyl Alcohol, Polyethylene Glycol and Polysorbate 80), Silicon Dioxide, Sodium Carboxymethyl Cellulose, MaltodextrinGelatin, ethyl vanillin, microcrystalline cellulose, magnesium stearate, silica, potassium aspartate, purified water, natural lemon flavour, antioxidant blend for freshness (mixed tocopherols, rosemary extract, ascorbyl palmitate) CONTAINS: FISH (anchovy, sardine)

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