Mega-One
Source Naturals
Mega-One
4.7
★ ★ ★ ★ ★
(609 ratings)
Vitamin B6 85 mg
Manganese 6 mg
Molybdenum 100 mcg
Thiamin 85 mg
Rutin 21 mg
PABA 85 mg
Vitamin B5 85 mg
Score 75.0
Source Naturals Mega-One is a highly comprehensive multivitamin that packs a broad spectrum of essential vitamins, minerals, and supportive compounds into a single daily serving. It offers high doses of B vitamins for energy and cognitive function, plus various antioxidants, all at a very budget-friendly price point. While some ingredient forms could be more bioavailable, it remains a strong choice for widespread nutritional support.
Quantity: 180 Tablet(s)Servings size: 1 Tablet(s) (180 servings)
Selected goals:
Other goals:
Energy
Brain Health
Mood Support
General Health
Cognitive Support
leaderboard Score 75.0
Source Naturals Mega-One is a highly comprehensive multivitamin that packs a broad spectrum of essential vitamins, minerals, and supportive compounds into a single daily serving. It offers high doses of B vitamins for energy and cognitive function, plus various antioxidants, all at a very budget-friendly price point. While some ingredient forms could be more bioavailable, it remains a strong choice for widespread nutritional support.
insights Analysis
Source Naturals Mega-One is designed as a comprehensive daily multivitamin, aiming to address numerous health goals ranging from energy and brain health to skin and immunity. The formulation is notably robust, featuring high potencies of B vitamins which are critical for cellular energy production and nervous system function, alongside a wide spectrum of essential minerals. It strategically includes supportive compounds like citrus bioflavonoids, rutin, hesperidin for antioxidant benefits, and choline and inositol for neurological support. While the product is extensive in its ingredient list, a common critique from nutritionists regarding some multi-vitamins is the use of less active or bioavailable forms, such as Folic Acid and Cyanocobalamin, which may not be optimally utilized by everyone, particularly those with genetic variations. Similarly, some minerals are present in forms like Magnesium Oxide and Iron Fumarate, which can be less absorbable or cause mild gastrointestinal upset compared to chelated alternatives. Despite these points, the product's very low price per serving for its extensive ingredient profile makes it a highly attractive and accessible option for daily nutritional support. Online reviews, while moderate in volume (597), generally indicate user satisfaction with its perceived benefits and overall value.
- Offers a very wide range of vitamins, minerals, and synergistic nutrients in a single tablet, providing comprehensive nutritional coverage.
- Delivers high potencies of B vitamins (Thiamin, Riboflavin, Niacin, B5, B6, B12), which are crucial for energy production and metabolic processes.
- Includes a blend of antioxidants like citrus bioflavonoids, rutin, and hesperidin, enhancing cellular protection.
- Features a highly competitive price per serving, making comprehensive daily supplementation affordable.
- Contains supportive nutrients like Choline, Inositol, and PABA, which contribute to brain health and various metabolic functions.
- Utilizes some less bioavailable forms of B vitamins, such as Cyanocobalamin for B12 and Folic Acid for Folate, which may not be optimally absorbed by all individuals.
- Several minerals are provided in forms (e.g., Iron Fumarate, Magnesium Oxide, Sodium Selenite) that are less absorbable or potentially irritating to the digestive system compared to chelated alternatives.
- The Vitamin D3 dosage (10mcg / 400IU) is relatively low, often necessitating additional supplementation to achieve optimal blood levels based on modern nutritional guidelines.
- The product contains 11mg of Iron Fumarate; individuals without iron deficiency should consider a multivitamin without iron to avoid excessive intake, which can lead to adverse effects and may cause gastrointestinal upset in sensitive individuals.
- High doses of Pyridoxine Hydrochloride (Vitamin B6 at 85mg) should be monitored, as prolonged excessive intake can, in rare cases, lead to neuropathy, although this dose is generally considered safe within recommended limits.
- Individuals with specific genetic variations, such as MTHFR, may not efficiently metabolize Folic Acid and might benefit more from alternatives providing L-Methylfolate.
$38.95($0.21 per serving)
 iHerb | $ 38.95 |
bolt Effectiveness for goals
These formulas aim to provide essential micronutrients that may be lacking in the diet. They support various bodily functions, including energy metabolism, immune response, and bone health. By ensuring a baseline supply of key vitamins and minerals, they contribute to overall well-being.
Vitamin D3 is crucial for the absorption of calcium in the gut. It helps regulate calcium and phosphate levels, which are vital for maintaining bone health and density. Adequate Vitamin D3 is essential for the body to effectively utilize ingested calcium.
Vitamin C significantly enhances the absorption of non-heme iron, which is found in plant-based foods and many supplements. It converts iron into a more readily absorbable form. This interaction is particularly beneficial for optimizing iron uptake.
B vitamins work together as coenzymes in numerous metabolic processes throughout the body. They are essential for energy production, DNA synthesis, red blood cell formation, and maintaining healthy nerve function. This complex supports overall cellular health and vitality.
Yes, zinc and copper compete for absorption in the small intestine. Consuming high doses of zinc over time without adequate copper can potentially lead to copper deficiency. Maintaining an appropriate balance between these minerals is important for optimal health.
schedule Dosage, timing & forms
Most multivitamins are recommended to be taken with food to enhance the absorption of fat-soluble vitamins and minimize potential stomach upset. Following the dosage instructions on the product label, which often specifies once daily, is common practice. This approach helps integrate the supplement with your regular dietary intake.
Yes, taking a multivitamin with a meal can improve the absorption of fat-soluble vitamins such as A, D, and E. Food can also aid in the proper assimilation of some minerals and may reduce the likelihood of gastrointestinal discomfort. It helps integrate the nutrients into the body's digestive processes.
Different forms of calcium can offer varying elemental calcium percentages and absorption characteristics. Calcium Carbonate provides a high concentration of elemental calcium, while Calcium Ascorbate contributes both calcium and Vitamin C, offering a dual benefit. This combination can ensure a broad spectrum of calcium delivery and support.
Magnesium Oxide typically contains a higher amount of elemental magnesium per dose but may have lower bioavailability compared to other forms. Magnesium Citrate is often better absorbed and can contribute to bowel regularity at higher doses. Including both forms aims to provide varied absorption profiles and benefits.
High doses of zinc can interfere with copper absorption over time, potentially leading to a copper deficiency. Many comprehensive supplements, therefore, include a balanced ratio of these minerals to help prevent such interactions. This ensures both nutrients can be effectively utilized by the body.
health_and_safety Safety & interactions
Some individuals may experience mild gastrointestinal upset, such such as nausea or stomach discomfort, especially if taken on an empty stomach. Taking the supplement with food may help mitigate these effects. Urine may also turn a brighter yellow due to riboflavin.
Iron can potentially interfere with the absorption of other minerals like calcium and zinc if taken at the exact same time. It can also interact with certain medications, including some antibiotics, thyroid hormones, and medications for Parkinson's disease, reducing their effectiveness. It is advisable to consult a healthcare professional regarding specific medication interactions.
Iodine plays a crucial role in thyroid function, and supplemental iodine can interact with medications for thyroid conditions or affect individuals with pre-existing thyroid disorders. Excessive iodine intake, particularly in sensitive individuals, may exacerbate or trigger thyroid issues. It is recommended to discuss iodine supplementation with a healthcare provider if you have a thyroid condition or are taking related medications.
Chromium is involved in carbohydrate and lipid metabolism and may influence insulin sensitivity and blood glucose levels. Individuals with diabetes or those taking medications to manage blood sugar should monitor their levels closely. Consultation with a healthcare provider is advised to prevent potential interactions or adjustments to medication dosages.
While essential, very high doses of Vitamin B6 (Pyridoxine) over time can potentially lead to nerve damage, causing symptoms like numbness or tingling. Niacin (Vitamin B3) in higher amounts can cause a 'niacin flush,' characterized by skin redness, warmth, itching, and tingling. The niacinamide form in this product is less likely to cause flushing.
Ingredients
| Ingredient | Amount per serving |
|---|---|
Vitamin A | 2850 mcg |
Vitamin C | 250 mg |
Vitamin D3 | 10 mcg |
Vitamin E | 67 mg |
Thiamin | 85 mg |
Riboflavin | 85 mg |
Niacin | 85 mg |
Vitamin B6 | 85 mg |
Folate | 714 mcg DFE |
Vitamin B12 | 90 mcg |
Biotin | 90 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 |
PABA | 85 mg |
Inositol | 85 mg |
Citrus Bioflavonoid Complex | 25 mg |
Rutin | 21 mg |
Hesperidin | 5 mg |
Boron | 1 mg |
Categories
Thiamin 85.0
With 85mg of Thiamin, the product offers a significantly high potency for this critical B vitamin, which is instrumental in carbohydrate metabolism and maintaining healthy nervous system function, far exceeding typical daily requirements.
Riboflavin 85.0
The 85mg dose of Riboflavin (Vitamin B2) is exceptionally high, playing a fundamental role in energy production, cellular growth, and the metabolism of various nutrients, ensuring ample supply for these vital biochemical processes.
Vitamin B5 85.0
The product supplies 85mg of Pantothenic Acid (Vitamin B5), which is a very high and effective dose known for its crucial role in supporting adrenal gland function, energy metabolism, and the synthesis of coenzyme A.
Goals
Energy 85.0
With exceptionally high potencies of multiple B vitamins, which are vital cofactors in the body's energy production pathways, this multivitamin offers strong support for boosting energy levels and combating fatigue.
Metabolism Boost 85.0
The significant amounts of B vitamins, Chromium, and Manganese present in this formula are critical cofactors for various metabolic enzymes, effectively assisting the body in converting food into usable energy.
General Health 80.0
This product provides a robust and extensive array of essential vitamins and minerals, serving as an excellent foundation for meeting daily nutritional requirements and broadly supporting overall bodily functions and well-being.