Phosphatidyl Serine SF
by Klaire Labs · capsule · 60 vegetarian capsules
- On the market (NIH)
- UPC 8 28054 00189 3
- DSLD label 322443
- Serving 1 capsule
- 60 servings
Phosphatidyl Serine SF by Klaire Labs lists one ingredient: 100 mg of phosphatidylserine per serving of 1 capsule. Its current label entered the NIH Dietary Supplement Label Database on December 21, 2024.
What is in Phosphatidyl Serine SF?
Each row as the label prints it, per serving of 1 capsule. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| Phosphatidylserineas Sunflower Lecithin | 100 mg | 29% of 641 products listing phosphatidylserine give more (median 100 mg). Per day at the most servings: 200 mg. |
Source: NIH ODS Dietary Supplement Label Database, label 322443 (entered December 21, 2024), version 9.4.0. See the label on DSLD or its label image (PDF). Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.
Is that a lot?
Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.
The NIH database records 1 to 2 servings a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.
The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.
Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.
Which products have the closest formulas?
6 products list the very same ingredients; the nearest amounts come first.
- PS 100 mgHealth Resources same ingredients
- Phosphatidylserine 100 mgVitaCeutical Labs · off the market same ingredients
- PS Phosphatidylserine 100 mgLifeLink same ingredients
- Leci-PS Phosphatidylserine 100 mgVitamer Laboratories · off the market same ingredients
- Phosphatidyl-SerinePrescribed Choice same ingredients
- Iso-PhosThorne Research · off the market same ingredients
Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.
What does the label say about taking it?
Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.
- Directions
- Suggested Use: 1 capsule, 1 to 2 times daily with food or as directed by a healthcare professional.
- Warnings
- Do not use if shrinkwrap is broken or missing.
- Caution: If you are pregnant, nursing, have a medical condition, or taking prescription drugs, consult your physician before using this product.
- Keep out of reach of children.
- Allergens and what it does not contain
- Free of the following common allergens: milk/casein, eggs, fish, shellfish, tree nuts, peanuts, wheat, gluten, soybeans, corn, and yeast. Contains no artificial colors, flavors, or preservatives.
- Storage
- Store in a cool, dry place (59 degrees F - 85 degrees F) away from direct light.
Source: label statements in DSLD label 322443.
What else is on the label?
Other ingredients: Microcrystalline Cellulose, Hydroxypropyl Methylcellulose, Water, Maltodextrin, Ascorbyl Palmitate, Silicon Dioxide, Mixed Tocopherols.
How many labels does Phosphatidyl Serine SF have?
2 labels are on file under this name since June 16, 2022: other sizes, label designs and reformulations. The current one leads this page.
- Label 322443 (current) Entered December 21, 2024 · on the market · 60 vegetarian capsules · UPC 8 28054 00189 3
- Label 264958 Entered June 16, 2022 · on the market · 60 capsules · UPC 8 28054 00189 3
DSLD also links this label to: Phosphatidyl Serine SF (image difference, same product).
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names SFI USA (manufacturer), Reno, NV. All Klaire Labs products.