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Source Naturals Serene Science Theanine Serene with Magnesium - 60 Tablets

Product score82.3 / 100Very good
Brand
Source Naturals
Category
Magnesium
Recorded price
$12.25
Price per serving
$0.41

Supplement facts

Serving size
2 Tablet(s)
Servings per container
30
IngredientAmount per serving% daily value
Calories5—
Total Carbohydrates1 g1%
Magnesium300 mg71%
GABA500 mg—
Taurine450 mg—
L-Theanine200 mg—
Holy Basil Leaf Extract100 mg—

Other ingredients

  • Sorbitol
  • Stearic Acid
  • modified Cellulose Gum
  • Silica

Directions on the label

2 tablets daily.

Label data from the Dietary Supplement Label Database.

Label data as of

Product score

82.3 / 100Very good
Category average
72.8 / 100
Average for similar products
82.3 / 100

This is a compact, adequately dosed multi-ingredient calming formula, but its undisclosed magnesium form limits form confidence.

Scoring criteria
  • Quantity

    100 / 100

    The labeled daily serving supplies 300 mg magnesium, 200 mg L-theanine, 500 mg GABA, 450 mg taurine, and 100 mg holy basil extract, which is a practically substantial calming formula.

  • Form

    65 / 100

    The chemical forms of magnesium and the other active ingredients are not disclosed, leaving relevant absorption and tolerability properties unresolved.

  • Convenience

    85 / 100

    The label directs two tablets once daily, and 60 tablets provide 30 labeled servings.

  • Label accuracy

    75 / 100

    The matched label provides consistent ingredient amounts and directions, but it does not identify the chemical forms or standardization of several ingredients.

  • Formula balance

    75 / 100

    The ingredients are broadly compatible at the labeled amounts, although the formula does not disclose detailed extract standardization or chemical forms.

  • Purity

    75 / 100

    The label shows ordinary excipients and provides no product-specific evidence supporting unusually high purity or documenting contamination.

  • Cofactors

    50 / 100

    Holy basil extract is declared at a meaningful amount and may complement the calming formula, but its preparation and added benefit are uncertain.

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