PlainVitamins

Sereniten Plus

by Pure Encapsulations · capsule · 45 capsules

  • On the market (NIH)
  • UPC 7 66298 01929 1
  • DSLD label 261621
  • Serving 1 capsule
  • 45 servings

Sereniten Plus by Pure Encapsulations lists 3 ingredients, 3 with an amount per serving of 1 capsule, such as 2.5 mcg (100 IU) of vitamin D, 175 mg of lactium casein, hydrolysate and 50 mg of L-theanine. Its current label entered the NIH Dietary Supplement Label Database on February 23, 2022.

What is in Sereniten Plus?

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).

Sereniten Plus: Supplement Facts rows against the market (DSLD label 261621, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Das Cholecalciferol, Vitamin D3100 IU2.5 mcg (100 IU)13%Vitamin D in Sereniten Plus against 14,175 products2.5 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg2.5 mcg

92% of 14,175 products listing vitamin D give more (median 15 mcg).

Lactium Casein, Hydrolysateas Decapeptidebiotactive decapeptide175 mg
L-Theanine50 mgTheanine in Sereniten Plus against 1,602 products50 mg per serving; the middle half of products list 90 mg to 200 mg, the median 100 mg.50 mg

79% of 1,602 products listing theanine give more (median 100 mg).

Source: NIH ODS Dietary Supplement Label Database, label 261621 (entered February 23, 2022), 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?

The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:

  • 92% of the 14,175 products that print an amount of vitamin D list more than its 2.5 mcg (100 IU) of vitamin D (median 15 mcg (600 IU)).
  • 79% of the 1,602 products that print an amount of theanine list more than its 50 mg of L-theanine (filed by NIH under theanine) (median 100 mg).

The NIH database records one serving 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?

1 product lists the very same ingredients; the nearest amounts come first.

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
Recommendations: As a dietary supplement, take 1 capsule daily, between meals, or as directed by your health care professional.
Warnings
Warning: If you are pregnant or lactating, have any health condition or are taking any medication, consult your health professional before use.
Keep out of the reach of children.
Use only if safety seal is intact.
Contains milk
Allergens and what it does not contain
Gluten-free & non-GMO
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 261621.

What else is on the label?

Other ingredients: hypoallergenic Plant Fiber, Vegetarian Capsule, Silica.

How many labels does Sereniten Plus have?

3 labels are on file under this name since May 22, 2020: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 261621 (current) Entered February 23, 2022 · on the market · 45 capsules · UPC 7 66298 01929 1
  2. Label 259258 Entered January 22, 2022 · off the market July 21, 2022 · 45 capsules · UPC 7 66298 01929 1
  3. Label 219187 Entered May 22, 2020 · off the market November 11, 2021 · 45 capsules · UPC 7 66298 01929 1

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names Pure Encapsulations (distributor), Sudbury, MA. All Pure Encapsulations products.

Where next?