Magnesium is an essential mineral involved in over 300 enzymatic reactions in the body. It plays a crucial role in muscle and nerve function‚ blood sugar control‚ blood pressure regulation‚ and making protein‚ bone‚ and DNA. Many individuals don’t get enough magnesium through diet alone‚ leading to potential deficiencies. CVS Pharmacy offers a wide variety of magnesium supplements to help bridge this gap. This article provides a detailed overview of magnesium supplements available at CVS‚ covering types‚ benefits‚ dosage‚ potential side effects‚ and considerations when choosing a product.
Types of Magnesium Supplements Available at CVS
CVS carries several forms of magnesium‚ each with varying absorption rates and benefits. Understanding these differences is key to selecting the right supplement:
- Magnesium Oxide: This is one of the most common and least expensive forms. It has a lower absorption rate‚ meaning less magnesium is actually utilized by the body. Often used as a laxative.
- Magnesium Citrate: Well-absorbed and often used to relieve constipation. It’s a good general-purpose magnesium supplement.
- Magnesium Chloride: Easily absorbed‚ especially when taken with food. Available in capsule‚ tablet‚ and liquid forms. May be gentler on the stomach.
- Magnesium Glycinate: Highly bioavailable and gentle on the digestive system. Often preferred for those sensitive to other forms. May promote relaxation and sleep.
- Magnesium Lactate: Well-absorbed and gentle. Less likely to cause digestive upset.
- Magnesium Threonate: Research suggests this form may be particularly effective at crossing the blood-brain barrier‚ potentially benefiting cognitive function. (Often more expensive and may not always be in stock).
Benefits of Taking Magnesium Supplements
Supplementing with magnesium can offer several potential health benefits:
- Improved Muscle Function: Magnesium helps regulate muscle contractions and can reduce muscle cramps and spasms.
- Reduced Anxiety & Stress: Magnesium plays a role in neurotransmitter function and may help calm the nervous system.
- Better Sleep: Magnesium glycinate‚ in particular‚ is often used to promote relaxation and improve sleep quality.
- Blood Sugar Control: Magnesium improves insulin sensitivity‚ which is important for blood sugar regulation.
- Bone Health: Magnesium is a component of bone and contributes to bone density.
- Heart Health: Magnesium helps maintain a healthy heart rhythm and blood pressure.
Dosage & How to Choose at CVS
The Recommended Dietary Allowance (RDA) for magnesium varies based on age and gender. Generally‚ adults need between 310-420mg per day.
At CVS‚ you’ll find supplements ranging from 100mg to 400mg per serving. Consider these factors when choosing:
- Your Dietary Intake: Assess how much magnesium you already consume through food.
- Your Specific Needs: If you’re addressing a specific issue like constipation or sleep problems‚ choose a form known to be effective for that purpose.
- Bioavailability: Opt for highly absorbable forms like magnesium glycinate or citrate.
- Form: Tablets‚ capsules‚ liquids‚ and powders are available. Choose the form you prefer.
- Brand Reputation: CVS carries both national brands and its own store brand (CVS Health). Read reviews and consider brands known for quality.
Potential Side Effects & Precautions
Magnesium is generally safe‚ but high doses can cause side effects:
- Diarrhea: The most common side effect‚ especially with magnesium oxide and citrate.
- Nausea & Stomach Cramps: Can occur with higher doses.
- Low Blood Pressure: Magnesium can lower blood pressure‚ so caution is advised for those with hypotension.
- Kidney Problems: Individuals with kidney disease should consult a doctor before taking magnesium supplements.
- Drug Interactions: Magnesium can interact with certain medications‚ including antibiotics‚ diuretics‚ and proton pump inhibitors. Always consult your doctor or pharmacist before starting any new supplement‚ especially if you are taking medications.
CVS Brand vs. National Brands
CVS Health magnesium supplements are generally more affordable than national brands. They often offer comparable dosages and forms. National brands (like Nature Made‚ Nature’s Bounty‚ and NOW Foods) may have a wider variety of specialized formulations (like magnesium threonate) and may undergo third-party testing for purity and potency.
Where to Find Magnesium at CVS
Magnesium supplements are typically located in the vitamin and supplement aisle at CVS. You can also search for them on the CVS website (www.cvs.com) using keywords like “magnesium‚” “magnesium citrate‚” or “magnesium glycinate.”



