SuppHelper
search
Home›Supplements›Vitamin›Thiamin›Mega-One Source Naturals
Product Image

Mega-One

Source Naturals
4.7
★ ★ ★ ★ ★
(635 ratings)
Riboflavin 85 mg
Vitamin D 400 IU
Vitamin C 250 mg
Selenium 50 mcg
Thiamin 85 mg
Molybdenum 100 mcg
Vitamin A 12000 IU
Product Image
Score 80

Source Naturals Mega-One is a well-rounded multivitamin and mineral blend, providing a good spectrum of nutrients, including higher-dose B vitamins and chelated minerals, to support general health and energy.

Quantity: 60 Tablet(s) • (60 servings)
Goals:
flag Vision Support
flag Metabolism Boost
flag Energy
flag Detoxification
flag Skin Health

leaderboard Score 80

Source Naturals Mega-One is a well-rounded multivitamin and mineral blend, providing a good spectrum of nutrients, including higher-dose B vitamins and chelated minerals, to support general health and energy.

insightsAnalysis

Source Naturals Mega-One is a comprehensive multivitamin and mineral supplement designed to support a wide range of bodily functions. It features a robust blend of B vitamins, often in higher potencies, which can contribute to energy metabolism and nervous system support. The formula also includes various essential minerals, with many presented in chelated or ascorbate forms, which are generally well-regarded for their absorption.

This product caters to individuals seeking a foundational supplement to address potential nutritional gaps and support overall vitality. Its ingredient list extends beyond basic vitamins and minerals to include beneficial compounds like bioflavonoids, choline, PABA, and inositol, aiming to offer broader systemic support.

thumb_upPros
  • Comprehensive blend of essential vitamins and minerals.
  • Higher potencies for many B vitamins.
  • Includes chelated mineral forms for better absorption (e.g., selenium, chromium, molybdenum amino acid chelates).
  • Features multiple forms of Vitamin C (calcium, manganese, zinc ascorbate).
  • Contains additional supportive compounds like bioflavonoids, choline, PABA, and inositol.
  • Good value per serving.
thumb_downCons
  • Uses Folic Acid and Cyanocobalamin, which are not the most bioavailable forms for everyone.
  • Vitamin A content (12000 IU) is quite high, which may be more than some individuals need.
  • Calcium and Magnesium doses are relatively modest if primary support for these minerals is a major goal.
  • Iron content (11mg) may not be suitable for individuals who do not require iron supplementation.
warningWarnings
  • Consult a healthcare professional before use if pregnant, nursing, have a medical condition, or are taking medications, especially due to the higher Vitamin A content and iron.
  • High doses of B vitamins can cause urine to appear bright yellow, which is a harmless and normal effect.
  • Individuals sensitive to higher doses of certain nutrients should review the label carefully.
flagReport analysis
$15.60($0.26 per serving)
iHerb
$ 15.60
Pure Formulas
$ 16.28
flagReport prices

Ingredients

IngredientAmount per serving
Total Carbohydrates
1 Gram(s)
Vitamin A
12000 IU
Vitamin C
250 mg
Vitamin D3
400 IU
Vitamin E
100 IU
Thiamine
85 mg
Riboflavin
85 mg
Niacinamide
85 mg
Vitamin B6
85 mg
Folate
420 mcg
Vitamin B12
85 mcg
Biotin
85 mcg
Pantothenic Acid
85 mg
Calcium
40 mg
Iron
11 mg
Iodine
150 mcg
Magnesium
20 mg
Zinc
15 mg
Selenium
50 mcg
Copper
1 mg
Manganese
6 mg
Chromium
100 mcg
Molybdenum
100 mcg
Potassium
10 mg
Choline Bitartrate
85 mg
Para-Aminobenzoic Acid
85 mg
Inositol
85 mg
Bioflavonoid Complex
25 mg
Rutin
21 mg
Hesperidin
5 mg
Boron
1 mg
person Adults 18–50 female Women
flagReport overview

Categories

Thiamin 90
<p>The product delivers a high dose of 85mg of Thiamine (Vitamin B1), significantly above daily recommendations. This potency is often used for comprehensive nervous system support and energy production.</p>
storefront View products
Riboflavin 90
<p>Similar to Thiamine, Riboflavin (Vitamin B2) is present at a high dose of 85mg, significantly exceeding standard daily needs. This supports cellular energy production and antioxidant processes.</p>
storefront View products
Vitamin C 85
<p>The product provides a substantial amount of Vitamin C (750mg total) in multiple ascorbate forms, including calcium, manganese, and zinc ascorbate. This variety may offer different benefits and support absorption.</p>
storefront View products

Goals

flag General Health 85
<p>This product offers a broad spectrum of vitamins and minerals, serving as a solid foundation for daily nutritional support. Its comprehensive blend helps fill potential dietary gaps and contributes to overall bodily functions.</p>
flag Energy 85
<p>The robust blend of B vitamins (Thiamine, Riboflavin, Niacinamide, B6, B12, Pantothenic Acid) in this formula can contribute significantly to energy metabolism. These vitamins are essential cofactors in converting food into cellular energy.</p>
flag Immunity 80
<p>With good amounts of Vitamin C, Vitamin D3, Zinc, and Selenium, this multivitamin may help support the body's natural defense mechanisms. These nutrients are often used for their roles in immune cell function.</p>
inventory_2Recommended products
85 Value

Alive! Men's Ultra Potency Complete Multivitamin

Nature's Way
4.7
★★★★★
(36844 ratings)
This men's multivitamin offers a powerful blend of high-potency vitamins and minerals, along with targeted blends for male health, at a price per serving comparable to or slightly lower than Mega-One. Its superior ingredient forms and comprehensive support make it an excellent value for a high-quality multi.
Other sellers (2)
75 Value

Formula V VM-75

Solgar
4.7
★★★★★
(5608 ratings)
Solgar's VM-75 is a well-established multivitamin that provides a strong 'B-complex' profile and good levels of other essential vitamins and minerals. It offers a noticeable upgrade in quality and potency compared to Mega-One at a similar or slightly lower price per serving, representing solid value for general nutritional support.
Other sellers (4)
70 Value

Super Multi Iron Free

Natural Factors
4.7
★★★★★
(1099 ratings)
This iron-free multivitamin offers a balanced spectrum of vitamins and minerals, including some beneficial forms, at a lower price per serving than Mega-One. It is a good choice for individuals who do not require supplemental iron but still seek a comprehensive daily multi with improved ingredient quality for the cost.
Other sellers (2)
90 Performance

Two-Per-Day Capsules

Life Extension
4.7
★★★★★
(91242 ratings)
Life Extension's Two-Per-Day is consistently rated highly by nutritionists for its superior formulation, incorporating highly bioavailable and active forms of vitamins (e.g., L-5-Methyltetrahydrofolate, Methylcobalamin, Pyridoxal 5'-Phosphate) and chelated minerals. It provides comprehensive antioxidant and cellular support, significantly surpassing Mega-One in quality and efficacy.
Other sellers (3)
92 Performance

Source of Life Gold Tablets

Natures Plus
4.7
★★★★★
(1924 ratings)
This product sets a high standard for whole-food based multivitamins, delivering an extensive blend of organic nutrients, enzymes, and probiotics. Its commitment to bioavailable forms and synergistic ingredients offers a very high level of comprehensive nutritional support, making it a top-tier choice for those prioritizing ingredient quality.
Other sellers (1)
95 Performance

Advanced Nutrients

Thorne
4.6
★★★★★
(981 ratings)
Thorne is renowned for its exceptionally high-quality, hypoallergenic formulations that utilize highly bioavailable forms of nutrients, including activated B vitamins and chelated minerals. This product offers a meticulously balanced and potent blend of essential vitamins, minerals, and phytonutrients, designed for optimal absorption and comprehensive health support, making it a superior choice recommended by many practitioners.
Other sellers (2)
65 Budget

Daily Vits

NOW
4.7
★★★★★
(7917 ratings)
This NOW product offers a comprehensive range of daily vitamins and minerals at a significantly lower cost per serving compared to Mega-One. It provides solid foundational support for general health and well-being, making it a very economical choice.
Other sellers (5)
72 Budget

One Daily Superfood Multi-Vitamin no Iron

Paradise Earth's Blend
4.7
★★★★★
(6210 ratings)
This multivitamin provides good value by including a broad range of vitamins, minerals, and superfood blends at a lower price per serving than Mega-One. Its use of more bioavailable forms like methylcobalamin for B12 and L-Methylfolate for Folate makes it a superior option for nutrient absorption and overall effectiveness compared to many budget multis.
Other sellers (3)
80 Budget

Alive! Once Daily Women's Ultra Potency

Nature's Way
4.7
★★★★★
(63540 ratings)
This women's-specific multivitamin offers a higher potency and more diverse array of ingredients, including various beneficial blends, at a comparable or slightly lower price per serving. Its comprehensive nutrient profile and inclusion of whole-food concentrates make it a robust choice for overall health support.
Other sellers (4)
85 Value

Alive! Men's Ultra Potency Complete Multivitamin

Nature's Way
4.7
★★★★★
(36844 ratings)
This men's multivitamin offers a powerful blend of high-potency vitamins and minerals, along with targeted blends for male health, at a price per serving comparable to or slightly lower than Mega-One. Its superior ingredient forms and comprehensive support make it an excellent value for a high-quality multi.
Other sellers (2)
75 Value

Formula V VM-75

Solgar
4.7
★★★★★
(5608 ratings)
Solgar's VM-75 is a well-established multivitamin that provides a strong 'B-complex' profile and good levels of other essential vitamins and minerals. It offers a noticeable upgrade in quality and potency compared to Mega-One at a similar or slightly lower price per serving, representing solid value for general nutritional support.
Other sellers (4)
70 Value

Super Multi Iron Free

Natural Factors
4.7
★★★★★
(1099 ratings)
This iron-free multivitamin offers a balanced spectrum of vitamins and minerals, including some beneficial forms, at a lower price per serving than Mega-One. It is a good choice for individuals who do not require supplemental iron but still seek a comprehensive daily multi with improved ingredient quality for the cost.
Other sellers (2)
90 Performance

Two-Per-Day Capsules

Life Extension
4.7
★★★★★
(91242 ratings)
Life Extension's Two-Per-Day is consistently rated highly by nutritionists for its superior formulation, incorporating highly bioavailable and active forms of vitamins (e.g., L-5-Methyltetrahydrofolate, Methylcobalamin, Pyridoxal 5'-Phosphate) and chelated minerals. It provides comprehensive antioxidant and cellular support, significantly surpassing Mega-One in quality and efficacy.
Other sellers (3)
92 Performance

Source of Life Gold Tablets

Natures Plus
4.7
★★★★★
(1924 ratings)
This product sets a high standard for whole-food based multivitamins, delivering an extensive blend of organic nutrients, enzymes, and probiotics. Its commitment to bioavailable forms and synergistic ingredients offers a very high level of comprehensive nutritional support, making it a top-tier choice for those prioritizing ingredient quality.
Other sellers (1)
95 Performance

Advanced Nutrients

Thorne
4.6
★★★★★
(981 ratings)
Thorne is renowned for its exceptionally high-quality, hypoallergenic formulations that utilize highly bioavailable forms of nutrients, including activated B vitamins and chelated minerals. This product offers a meticulously balanced and potent blend of essential vitamins, minerals, and phytonutrients, designed for optimal absorption and comprehensive health support, making it a superior choice recommended by many practitioners.
Other sellers (2)
flagReport alternatives

SuppHelper

Compare supplements smarter. Science-backed, user-rated, updated daily.

Explore

  • Compare Supplements
  • Health Goals
  • Stacks

Legal

  • Privacy Policy
  • Terms of Use
  • Medical Disclaimer

Stay in the Loop

© 2025 SuppHelper. All rights reserved.