Phosphatidyl Serine
Scored by the Formulate Research Team · Last reviewed July 2026
Score Breakdown
Three factors carry this score; three more are checked separately and can only take points away. Hover or tap to see what drove each one.
Ingredients per Serving
Certifications & Testing
Other Ingredients
Sunflower Oil, Beef Gelatin, Glycerin, Water, Maltodextrin, Silicon Dioxide, mixed Tocopherols, Ascorbyl Palmitate
Recommended Use
Directions: Adults: take one soft gel one to three times daily, at mealtime.
Frequently Asked Questions
What is Carlson Phosphatidyl Serine's Formulate score?
Carlson Phosphatidyl Serine scores 81 out of 100 (grade A-) on Formulate's ingredient-level rubric: clinical evidence, dose accuracy and bioavailability carry the score, while manufacturing, transparency and safety are checked separately and can only deduct.
Is Carlson Phosphatidyl Serine worth it?
Carlson Phosphatidyl Serine scores 81/100 (grade A-). That puts it in Formulate's top tier: its ingredient doses, forms, and label transparency hold up against the clinical evidence, and it carries credible third-party testing. Formulate grades every product with the same automated rubric, so the score reflects the formula — not marketing or sponsorships.
What's in Carlson Phosphatidyl Serine?
Each serving contains Phosphatidylserine (100 mg). Serving size: 1 Softgel(s). 30 servings per container.
How do I take phosphatidyl serine?
Directions: Adults: take one soft gel one to three times daily, at mealtime.
Who makes Phosphatidyl Serine?
Phosphatidyl Serine is made by Carlson. See Formulate's full grade and product lineup for Carlson on its brand page.
Is Carlson Phosphatidyl Serine third-party tested?
Carlson lists the following certifications and testing for this product: Gluten-Free.
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Disclosure. Formulate may earn a commission from purchases made through links on this page. Commissions never influence scores — every product is graded by the same automated rubric. This page is for educational purposes only and does not replace advice from a qualified healthcare provider.