Multivitamins are dietary supplements that contain a combination of essential vitamins and minerals that support overall health and help boost the immune system.
Estimates suggest that around 90% of Americans are deficient in vitamin D, and about 50% fall short on vitamin C. Therefore, taking multivitamin supplements is crucial for maintaining optimal health and preventing nutritional deficiencies.
While each multivitamin brand may vary in formula, most quality multivitamins contain a core set of essential nutrients such as vitamins D and C.
The following top 10 multivitamin supplements were selected for their effectiveness, ingredient quality, and user feedback. They may help you maintain vitality and reduce your risk of common illnesses. You can easily find these and various products with just one click away on iHerb official website.
Note: If you have an underlying health condition, take medications regularly, are pregnant or breastfeeding, consult a doctor before starting any supplement. Discontinue use and seek medical advice if you experience any side effects.
1. Thorne Research Basic Nutrients 2/Day
Key Ingredients:
- Vitamin D
- Vitamin A
- Vitamin C & E
- B-complex vitamins
- Zinc, Chromium, Copper
Thorne’s Basic Nutrients 2/Day provides a comprehensive mix of essential vitamins and minerals designed to support immunity, energy, skin health, and stronger hair. A standout ingredient is chromium, which may help regulate blood sugar levels, enhance energy metabolism, and support weight management.
Potential side effects: Mild stomach discomfort.
⚠️ Caution: Avoid this product if you’re on blood thinners, as its vitamin K content can interfere with anticoagulant medications.
2. BrainMD NeuroVite Plus
This brain-focused multivitamin is formulated to support cognitive performance, nervous system health, and mental clarity.
Key Ingredients:
- Vitamin A, C, D
- B-complex vitamins
- Biotin
- Molybdenum (as sodium molybdate)
Highlights:
Biotin plays a critical role in neurotransmission, while molybdenum helps combat age-related brain decline. It also supports digestion, immunity, and skin and hair health.
Potential side effects: Mild digestive issues like diarrhea or itching.
This product is hypoallergenic, free from artificial additives, and ideal for those with sensitive stomachs.
3. Nature Made Multivitamin
Nature Made is a well-established brand trusted for its high-quality and affordable supplements.
Key Ingredients:
- Vitamin A, C, D, K, B-complex
- Copper
- Selenium
- Riboflavin
This multivitamin supports heart, immune, and bone health. Selenium aids DNA synthesis and immune defense, while copper helps form red blood cells.
Potential side effects: Constipation, nausea, vomiting, and stomach pain.
4. Ritual Essential Multivitamin
Ritual offers clean, traceable multivitamins for different age groups and life stages – including prenatal and postnatal formulas.
Key Ingredients:
- Omega-3 DHA
- Vitamin D3
- B vitamins (including folate)
Features:
- All Ritual vitamins are non-GMO, vegan, and free of artificial colors and major allergens.
Potential side effects: Mild nausea or stomach discomfort.
These are uncommon when used as directed.
5. Mykind Organics Women’s Multi Tablets (by Garden of Life)
Specifically formulated for women, this USDA-certified organic and non-GMO verified multivitamin delivers plant-based nutrients.
Key Ingredients:
- Vitamin A, C, K, B-complex
- Iodine
- Chromium
Benefits:
Iodine supports thyroid function, vitamin A promotes vision and immunity, and the blend helps with blood and heart health. This formula is vegan and eco-friendly, aligned with the brand’s strong sustainability standards.
Potential side effects: Occasional stomach discomfort.
6. SmartyPants Kids Formula Daily Gummy Multivitamin
This popular kids’ multivitamin is designed for palatability and complete nutritional support.
Key Ingredients:
- Omega-3 fatty acids
- Vitamin A, C, D, K, B12
Benefits:
Omega-3s support brain development and sleep quality. Research shows they may also ease symptoms of ADHD and asthma in children. Vitamin D helps strengthen immunity, and vitamin C promotes healthy bones.
Potential side effects: Mild digestive upset such as constipation or diarrhea, usually only if dosage instructions aren’t followed.
7. SmartyPants Women’s Masters 50+ Multivitamin
Specially formulated for women over 50, this multivitamin focuses on heart, brain, and bone health.
Key Ingredients:
- Omega-3
- Coenzyme Q10 (CoQ10)
- Vitamin C, D, K, B-complex
- Zinc and Folate
Highlights:
CoQ10 may reduce oxidative stress and inflammation, particularly beneficial for aging joints and cardiovascular function. Vitamin D and calcium help support bone strength.
Potential side effects: Nausea, upset stomach, constipation, or diarrhea.
NSF-certified for purity and safety.
8. Olly Multivitamins
Olly offers multivitamins for men, women, teens, and kids, with formulas targeted at sleep, energy, focus, and libido.
Standard Formula Ingredients:
- Vitamin A, C, D, B-complex
Benefits:
Vitamin B may improve mood and reduce stress, while vitamin A enhances immune response.
Potential side effects: Constipation, stomach cramps, diarrhea.
9. One A Day Men’s Multivitamin
Tailored for adult men, One A Day Men’s Multivitamin supports muscle function, heart health, and energy.
Key Ingredients:
- Vitamin A, C, D, B-complex
- Copper, Chromium, Manganese, Magnesium
- Folic Acid
Highlights:
No iron – important for men, who don’t need as much. Manganese provides antioxidant benefits, while folic acid helps reduce stroke risk in those with heart conditions.
Potential side effects: Nausea, stomach pain, unpleasant aftertaste, or diarrhea.
10. SmartyPants Adult Formula Gummy Multivitamin
A highly rated option for adults who prefer gummies over capsules.
Key Ingredients:
- Omega-3 fatty acids
- Vitamin B12, D, E, K
- Biotin
Benefits:
Omega-3s help reduce inflammation and promote cardiovascular and brain health. Biotin and B12 enhance energy and support skin, hair, and metabolic functions.
Potential side effects: Stomach upset, nausea, constipation, or diarrhea.
Note: The suggested serving is 6 gummies per day, which might be inconvenient for some – but it offers better absorption for others.
Final Thoughts
Choosing the right multivitamin depends on your age, gender, lifestyle, and specific health goals. Whether you’re looking for brain support, energy, immune strength, or age-specific nutrition, the options above provide reliable and science-backed choices. Always follow dosage instructions and consult a healthcare provider to ensure compatibility with your individual needs. And if you are still concerned about where to find a reliable source of multivitamin supplement products, iHerb is always a place to go. Shop now and discover thousands of amazing deals!
