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The Double X supplement by Nutrilite is ranked #9 in our comparison of over 100 popular multivitamin brands. The supplement requires you to take 6 tablets a day with a meal (preferably your breakfast or lunch).
The Double X multivitamin by Nutrilite is an excellent multivitamin.
Consumers can rest assured that Double X provides effective supplements that bring tangible health benefits to people who use them.
MultivitaminGuide.org offers comparison between the Nutrilite Double X multivitamins and of all major vitamin supplements available on the market.
Some of the unique aspects of this guide include comparison of the Nutrilite Double X multivitamins with 100 other vitamin supplement products, including popular brands such as One-A-Day, GNC, Equate, Kirkland, Shaklee, Nature Made, NOW Foods, Melaleuca, Puritan’s Pride, Herbalife, TwinLab, and Walgreens.
The information on this site is the culmination of over 6 years of scientific research and analysis. Each of the reviewed products is evaluated against 4 key parameters, such as composition, bioavailability, potency and safety. Then each supplement is assigned a score from 0 to 10, which enables you to easily compare the effectiveness of different brands.
The table below provides a summary of the Effectiveness Scores of some of the more popular vitamin supplement brands available on the market, including the Nutrilite Double X multivitamins.
Any vitamin supplement with a score that exceeds 8.0 is considered to be "excellent". For that reason, using a multivitamin product with a score of 8.0 or above is strongly advised.
Rank | Manufacturer | Product | Score |
---|---|---|---|
1 | Xtend-Life Natural Products | Total Balance | 9.6 |
2 | NATURELO Premium Supplements | Whole Food Multivitamin | 9.5 |
3 | Douglas Laboratories | Ultra Preventive X | 9.3 |
4 | USANA Health Sciences | HealthPak | 8.9 |
5 | Dr. Mercola | Whole Food Multivitamin PLUS | 8.8 |
6 | Shaklee | Vitalizer | 8.7 |
7 | Life Extension | Life Extension Mix | 8.6 |
8 | Metagenics | Wellness Essentials | 8.5 |
9 | Nutrilite (Amway) | Double X | 8.3 |
10 | Garden of Life | Vitamin Code | 8.2 |
11 | Source Naturals | Life Force | 8.1 |
12 | Karuna | Maxxum 4 | 7.9 |
13 | Solgar | Omnium | 7.8 |
14 | Optimum Nutrition | Opti-Men | 7.7 |
15 | Muscle Pharm | Armour-V | 7.6 |
16 | Dr. Julian Whitaker's | Forward Multi-Nutrient | 7.6 |
17 | FreeLife | Reverse! | 7.2 |
18 | Mountain Naturals of Vermont | Superior Care | 7.1 |
19 | amni | Added Protection III | 7.0 |
20 | Purity Products | Perfect Multi Focus Formula | 7.0 |
21 | Universal Nutrition | Animal Pak | 6.9 |
22 | Doctor's Nutrition | Mega Vites | 6.8 |
23 | DaVinci Laboratories | Spectra | 6.8 |
24 | GNC | GNC Mega Men Sport | 6.8 |
25 | TwinLab | Daily One Caps with Iron | 6.7 |
26 | FoodScience of Vermont | Superior Care | 6.6 |
27 | Puritan's Pride | High Potency Ultra Vita Time Release | 6.5 |
28 | Colgan Institute | Formula MCS | 6.4 |
29 | Rainbow Light | Women's One Multivitamin | 6.4 |
30 | NOW Foods | Multiple Vitamins - Liquid Gels | 6.4 |
31 | EAS | Multi-Blend | 6.3 |
32 | Mannatech | PhytoMatrix | 6.2 |
33 | Nature's Way | Alive! Whole Food Energizer | 6.1 |
34 | Jean Carper's | Stop Aging Now! | 6.0 |
35 | Natural Factors | MultiStart | 5.9 |
36 | Advanced Physician's Products | Maximum MultiVitamin/Mineral without Iron | 5.8 |
37 | EcoNugenics | Longevity Rhythms Gold | 5.8 |
38 | Solaray | Iron-Free Spectro Multi-Vita-Min | 5.8 |
39 | Nature's Blend | Vitaminix Ultimate | 5.6 |
40 | Pharmanex (Nu Skin) | LifePak Prime | 5.4 |
41 | Melaleuca | Vitality Pak | 5.3 |
42 | Herbalife | Formula 2 Multivitamin Complex | 5.3 |
43 | QCI Nutritionals | Ultra Vitality #1 | 5.2 |
44 | KAL | Multiple Energy | 5.2 |
45 | Megafood | Essentials for Life | 5.2 |
46 | Optimox | Androvite | 5.1 |
47 | Swanson Ultra | Whole Food Multi without Iron | 5.0 |
48 | Jarrow | Multi E-Z Powder | 5.0 |
49 | Great Earth | TNT - Total Nutrition Tablet | 5.0 |
50 | Nikken | Kenzen Mega Daily 4 | 4.9 |
51 | Garry Null's | Supreme Health Formula | 4.8 |
52 | Thorne Research | Al's Formula | 4.8 |
53 | Atkins | Basic #3 | 4.7 |
54 | Vitamin World | Daily 3 With Antioxidant Factors | 4.7 |
55 | PhytoPharmica | Clinical Nutrients | 4.7 |
56 | Pfizer | Centrum | 4.6 |
57 | 4Life | BioVitamins Type III | 4.5 |
58 | Bronson Laboratories | Performance Edge | 4.5 |
59 | One A Day | Essential | 4.5 |
60 | Country Life | Maxine | 4.4 |
61 | Nature Made | Multi Complete | 4.3 |
62 | Quest | Maximum Once A Day | 4.2 |
63 | Nature's Bounty | Green Source Vegetarian Formula | 4.1 |
64 | Matol | Matolife | 4.1 |
65 | Greens+ | Multi+ | 3.9 |
66 | Michael's Naturopathic Programs | Pedia Vites | 3.8 |
67 | Natrol | My Favorite Multiple Original | 3.8 |
68 | Nu-life | Ultimate One | 3.7 |
69 | Jamieson | Super Vita-Vim | 3.7 |
70 | Walgreens | Ultra Choice Premium | 3.5 |
71 | Swiss Natural Sources | Super Adult Chewable | 3.4 |
72 | Ripple Creek | Mega-100 (Slow Release) | 3.3 |
73 | Thompson | Human Nature Green Multi | 3.0 |
74 | Safeway Select | Super Multivitamin | 2.9 |
75 | Perfect Choice | Multivitamin Specially Formulated | 2.9 |
76 | Watkins | Superfood Multiple | 2.8 |
77 | Vitamin Power | Power Source 100 | 2.8 |
78 | Pilgrim's | Silver Stars Multi | 2.7 |
79 | Absolute Nutrition | Dieters' Multi's | 2.7 |
80 | Nature's Sunshine | Super Supplemental Vitamins and Minerals | 2.7 |
81 | Freeda Vitamins | Ultra Freeda Iron-Free | 2.7 |
82 | ZonePerfect | Multi Vitamin & Mineral | 2.6 |
83 | Sisu | Only One | 2.5 |
84 | Schiff | Single Day | 2.4 |
85 | Nature's Plus | Ultra One | 2.0 |
86 | Kirkland Signature (Costco) | Daily Multi | 1.9 |
87 | Sunkist | Multi-Men's | 1.7 |
88 | Lifestyles | Lifecycles | 1.6 |
89 | Western Family | Ultra Forte | 1.3 |
90 | Avon | VitAdvance Complete Multivitamin | 1.2 |
91 | Flora | MultiCaps | 1.2 |
92 | Reliv | Classic | 1.1 |
93 | Sundown | Complete Daily | 0.9 |
94 | YourLife | Super Multi with Herbs | 0.9 |
95 | Rite Aid | Whole Source | 0.8 |
96 | 21st Century | One Daily Maximum | 0.7 |
97 | Spring Valley | Ultra Multivitamin | 0.6 |
98 | Life Brand | Optimum | 0.6 |
99 | Good Neighbor Pharmacy | Balanced Care Complete Multi | 0.6 |
100 | Kroger | Advanced Formula Complete | 0.6 |
101 | Equate | One Daily | 0.6 |
102 | Action Labs | Essential Nutrients | 0.5 |
103 | Geritol | Complete | 0.4 |