Mega-One

4.6 (171 reviews)

In Stock

Supplement Ingredients
Ingredients	Amount Per Serving
Vitamin A Vitamin A	3.6 mg
palmitate Palmitic Acid	2.1 mg
beta-carotene Vitamin A	1.5 mg
Vitamin C Vitamin C	250 mg
calcium ascorbate Vitamin C Calcium	-
zinc ascorbate Zinc	-
manganese ascorbate	-
Vitamin D-3 Vitamin D3	10 mcg
cholecalciferol Vitamin D	-
Vitamin E Vitamin E	67 mg
d-alpha tocopheryl succinate Vitamin E	-
Thiamin (vitamin B-1) Vitamin B1	85 mg
Riboflavin (vitamin B-2) Vitamin B2	85 mg
niacin Vitamin B3	85 mg
niacinamide Vitamin B3	-
vitamin B-6 Vitamin B6	85 mg
pyridoxine HCl Vitamin B6	-
folate Vitamin B9	714 mcg DFE
folic acid Vitamin B9	-
Vitamin B-12 Vitamin B12	90 mcg
cyanocobalamin Vitamin B12	-
biotin Vitamin B7	89 mcg
Pantothenic Acid Vitamin B5	85 mg
calcium d-pantothenate Vitamin B5	-
Choline	33 mg
choline bitartrate	-
calcium Calcium	48 mg
calcium ascorbate Vitamin C Calcium	-
calcium d-pantothenate Vitamin B5	-
carbonate	-
Iodine Iodine	150 mcg
potassium iodide Iodine	-
magnesium Magnesium	20 mg
magnesium oxide Magnesium	-
magnesium citrate Magnesium	-
zinc Zinc	15 mg
zinc ascorbate Zinc	-
selenium Selenium	50 mcg
l-selenomethionine Selenium	-
sodium selenite Selenium	-
copper Copper	1 mg
copper citrate Copper	-
manganese Manganese	6 mg
manganese ascorbic acid complex Manganese	-
chromium Chromium	100 mcg
amino acid chelate	-
molybdenum Molybdenum	100 mcg
molybdenum amino acid complex	-
potassium Potassium	10 mg
potassium citrate Potassium	-
PABA	85 mg
para-aminobenzoic acid	-
inositol	85 mg
Citrus Bioflavonoid Complex	25 mg
rutin	21 mg
hesperidin	5 mg
boron Boron	1 mg
boron amino acid complex	-

Ingredient Research

Vitamin B1
- Very lowImproved Left Ventricular Ejection Fraction3 studies
Vitamin B12
- LowReduced Vitamin B12 Level5 studies
Vitamin B6
- LowReduced Anxiety3 studies
Vitamin B9
- HighReduced Homocysteine Level6 studies
- ModerateIncreased Folate Level3 studies
Vitamin C
- HighReduced Pain7 studies
- ModerateReduced Interleukin-6 Levels6 studies
- ModerateReduced Systolic Blood Pressure4 studies
Vitamin D
- HighIncreased 25-hydroxyvitamin D Level14 studies
- HighReduced Parathyroid Hormone Level4 studies
- ModerateImproved Insulin Sensitivity9 studies
Vitamin E
- ModerateReduced Aspartate Aminotransferase Level5 studies
- ModerateReduced Alanine Aminotransferase Level4 studies
- ModerateReduced Pain3 studies
Calcium
- LowIncreased Total Hip Bone Mineral Density3 studies
- LowReduced Stillbirth3 studies
Magnesium
- LowReduced Depression Symptoms3 studies
- LowReduced C-Reactive Protein Levels3 studies
Selenium
- HighReduced Thyroid Peroxidase Antibody Level5 studies
- LowReduced Thyroglobulin Antibody Level4 studies
- LowImproved Cognitive Function3 studies
Zinc
- LowReduced Zinc Level3 studies
Saccharomyces boulardii
- ModerateReduced Duration of Diarrhea3 studies
- LowReduced Diarrhea Rate3 studies
- LowReduced Diarrhea3 studies

Research Evidence

How this product's ingredient doses compare to doses studied in research.

Vitamin C250 mg
Studies used 12–1,200 mg/day (median 250) across 15 studies
In typical studied range
Vitamin E67 mg
Studies used 5–1,200 mg/day (median 300) across 10 studies
Low end of studied doses
Form mismatch: this product uses Alpha-Tocopherol. Most research support uses α-Te (1 study).
Vitamin B185 mg
Studies used 0–1,200 mg/day (median 100) across 8 studies
In typical studied range
Vitamin B285 mg
Studies used 20–1,200 mg/day (median 100) across 5 studies
Low end of studied doses
Vitamin B385 mg
Studies used 100–3,000 mg/day (median 714) across 9 studies
Below studied range
Vitamin B685 mg
Studies used 19–1,200 mg/day (median 80) across 6 studies
In typical studied range
Vitamin B1290 mcg
Studies used 250–1,000 mcg/day (median 1,000) across 3 studies
Below studied range
Vitamin B789 mcg
Studies used 10,000 mcg/day (median 10,000) across 1 study
Below studied range
Calcium48 mg
Studies used 500–1,000 mg/day (median 750) across 4 studies
Below studied range
Magnesium20 mg
Studies used 80–637 mg/day (median 250) across 7 studies
Below studied range
Zinc15 mg
Studies used 10–100 mg/day (median 55) across 2 studies
Low end of studied doses
Chromium100 mcg
Studies used 200–400 mcg/day (median 300) across 2 studies
Below studied range

Research-supported combinations

Ingredient pairs in this product that have synthesised research evidence together.

Low evidenceVitamin E + Vitamin Cfor Reduced Pain· 3 studies
Across 3 studies, all reported beneficial effects of the Vitamin E and Vitamin C combination on pain reduction, with effect sizes ranging from small to moderate and all findings statistically significant. Compared to Vitamin C alone (moderate evidence, small effect), the combination shows a similar directional benefit but the limited number of studies precludes a definitive comparison. The median study duration was 60 days (reported in 1 of 3 studies). No form data were reported for either substance.

Preservative Free

Product Description

Boost your health with Source Naturals' Mega-One. This preservative-free multivitamin tablet is designed to support your daily nutritional needs in just one dose. Carefully formulated with a broad spectrum of essential vitamins and minerals, Mega-One ensures you get the optimal levels of nutrients to fuel your body and mind.

Comprehensive Nutrient Support: One tablet provides significant amounts of 28 essential vitamins and minerals to enhance overall health.
Immune System Benefits: Vitamin C (250 mg), Vitamin A (3600 mcg), and Vitamin E (67 mg) support a robust immune response to keep you feeling your best year-round.
Energy and Metabolism: High levels of B vitamins, including B-1 (85 mg), B-2 (85 mg), and B-12 (90 mcg), help convert food into energy more efficiently.
Bone Health: Includes Vitamin D-3 (10 mcg), calcium (48 mg), and magnesium (20 mg) to support strong bones and teeth.
Antioxidant Protection: Vitamins A, C, and E work as powerful antioxidants, reducing oxidative stress and fighting free radicals.
Brain Function: Niacin (85 mg) and choline (33 mg) enhance cognitive performance and support brain health.
Balanced Hormones: Iodine (150 mcg) and selenium (50 mcg) contribute to thyroid health, maintaining balanced hormone levels.
Skin, Hair, and Nails: Biotin (89 mcg) promotes healthier skin, stronger nails, and more lustrous hair.
Heart Health: Folate (714 mcg DFE) and potassium (10 mg) play key roles in heart health and maintaining proper blood pressure levels.
Digestive and Metabolic Efficiency: Pantothenic Acid (85 mg) and inositol (85 mg) support digestive health and metabolic processes.