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Magnesium with Vitamin B6

Solgar

4.8
(21056 ratings)
Vitamin B6 25 mg
Magnesium 400 mg
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Score 60.0

This popular Solgar product offers a high dose of Magnesium and Vitamin B6 at a great value, but the Magnesium Oxide form has low bioavailability for systemic benefits, making it less ideal for targeted health goals. The B6 is in the standard Pyridoxine HCl form.

Quantity: 250 Tablet(s)Servings size: 3 Tablet(s) (83 servings)
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Score 60.0

This popular Solgar product offers a high dose of Magnesium and Vitamin B6 at a great value, but the Magnesium Oxide form has low bioavailability for systemic benefits, making it less ideal for targeted health goals. The B6 is in the standard Pyridoxine HCl form.

Analysis

This Solgar product, identical in formulation to its smaller counterpart, delivers 400mg of Magnesium as Magnesium Oxide and 25mg of Vitamin B6 as Pyridoxine Hydrochloride. Despite its popularity and attractive price point for the larger quantity, Magnesium Oxide's inherent low bioavailability remains a significant limitation for achieving maximal systemic health benefits. Nutritionists often advise seeking alternative magnesium forms for targeted support of bones, heart, or neurological function. The 25mg of Pyridoxine Hydrochloride is a robust dose of B6, effective for many, but its non-activated form means some individuals might benefit more from P5P, particularly with sustained high-dose intake. The high volume of positive online reviews likely reflects a combination of its affordability and the general benefits experienced by those with deficiencies, even if absorption is suboptimal.

Pros
  • Offers a very competitive price per serving due to the larger quantity, making it a highly affordable option.
  • Provides a high dose of magnesium (400mg) and Vitamin B6 (25mg) per serving.
  • Magnesium and B6 are a synergistic combination for various metabolic and neurological functions.
  • Extremely popular product with a high volume of positive reviews, indicating general user satisfaction.
Cons
  • Magnesium is provided as Magnesium Oxide, which has poor bioavailability compared to other forms (e.g., citrate, glycinate), significantly limiting its effectiveness for systemic benefits.
  • The Vitamin B6 is in the Pyridoxine Hydrochloride form, which, while common, is not the activated P5P form, and high doses can be a concern for some individuals over long periods.
  • Less effective for targeted health goals like brain or bone health where highly absorbed forms are crucial.
Warnings
  • High doses of magnesium (especially from oxide) can cause gastrointestinal upset, including diarrhea.
  • Long-term high intake of Pyridoxine Hydrochloride (Vitamin B6) beyond 50-100mg daily has been associated with peripheral neuropathy in some sensitive individuals, though 25mg is generally considered safer, it is still significantly above the RDI.
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$13.99($0.16 per serving)
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Effectiveness for goals

Dosage, timing & forms

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Ingredients

IngredientAmount per serving
Vitamin B6
25 mg
Magnesium
400 mg
Gluten Free Adults 18–50 Vegan Kosher Dairy Free Sugar Free Vegetarian
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Categories

Provides a substantial 25mg dose of Vitamin B6 as Pyridoxine Hydrochloride, which is a common and effective form for general B6 supplementation. However, it does not utilize the activated P5P form, which some users and nutritionists prefer for direct utilization.
Contains a high dosage of 400mg of elemental magnesium, but it is exclusively in the Magnesium Oxide form, known for its poor absorption for systemic benefits. This significantly limits its efficacy compared to products using more bioavailable magnesium compounds.

Goals

Magnesium and B6 are crucial cofactors for energy metabolism. While 400mg of magnesium is provided, the poor bioavailability of magnesium oxide means less is actually absorbed for cellular energy production, thus limiting its full potential compared to better-absorbed forms. The B6 component is beneficial for energy conversion.
As essential nutrients, magnesium and B6 support overall bodily functions. However, the choice of magnesium oxide as the primary form diminishes the product's potential for comprehensive systemic benefits due to its limited bioavailability.
Both magnesium and Vitamin B6 serve as cofactors in numerous enzymatic reactions involved in macronutrient metabolism. The presence of these nutrients supports metabolic processes, but the suboptimal magnesium form limits the maximum potential for a 'boost'.
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