Fast Acting Lactase™

Non-Nutrient / Non-Botanical

Brand: Kirkland Signature

Other (e.g. tea bag)Non-Nutrient/Non-BotanicalOn Market
Click to view full label

Net Contents

180 Caplet(s)

Serving Size

1 Caplet(s)

Servings Per Container

180

Supplement Form

Other (e.g. tea bag)

Bar Code (UPC/SKU)

0 96619 56153 7

Product Version

ITM. / ART. 561532 MFR# 53041 Rev 0513

Label Analysis

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

2Active Ingredients

2 distinct active ingredients are disclosed in Supplement Facts.

100%Amount Transparency

Every active ingredient discloses a specific amount per serving.

1% Daily Value Coverage

1 ingredients report an established %DV per serving.

1Dietary Attributes

Label states: Gluten-Free.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Allergen Guide

Free From

  • Gluten

Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.

Supplement Facts

Serving Size: 1 Caplet(s) · 1 per day

IngredientAmount Per Serving% Daily Value
Sodium5 mg1%
Lactase——

Percent Daily Values are based on a 2,000 calorie diet.

Other Ingredients

Microcrystalline CelluloseCroscarmellose SodiumCrospovidoneMagnesium StearateSilicon Dioxide, Colloidal

Target Groups

Children 4 or More Years of AgeAdult (18 - 50 Years)Seniors/Mature (>50 Years)Gluten Free

Label Claims

All OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

How do you use this product? - Swallow one caplet with your first bite of dairy foods. - You may adjust the dose if necessary to two caplets with your first bite of dairy foods. - if you continue to eat dairy foods after 30-45 minutes, taking an additional caplet is recommended. How often can you use this product? - This product may be used every time you eat foods containing dairy. It can be used with every meal or snack, every day.

Suggested/Recommended/Usage/Directions

Single serve pouches: One caplet per serving

Warnings & Precautions

Precautions re: All Other

Consult your doctor: If you experience any symptoms which are unusual or seem unrelated to the condition for which you took this product.

Precautions re: Children

Keep out of the reach of children.

Precautions re: All Other

Do not use if single-serve packets are torn or open.

Storage

Storage

Store at room temperature (below 77(0)F), but do not refrigerate. Keep away from heat.

Formulation

Formula re: Type

- This product works naturally and may be used by everyone ages 4 and older.

Formulation re: Does NOT Contain

Contains no Trans Fat

Formulation re: Does NOT Contain

Gluten free (<20 ppm)

Formula re: Contains

Lactase enzyme

Formula re: Type

This product helps prevent the gas, bloating or diarrhea that many people with lactose intolerance may experience after eating foods containing dairy.

FDA Statements

FDA Disclaimer Statement

This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

FDA Statement of Identity

Natural Dairy Digestive Supplement

Other Label Statements

General Statements: All Other Content

How does this product work? - Helps to prevent symptoms by breaking down milk sugar (lactose) and making dairy foods easier to digest. - This product is not a drug, but a dietary supplement containing a natural lactase enzyme.

General Statements: All Other Content

Why is this product better than other dairy relief products? - This product starts working quickly, so more milk sugar (lactose) can be broken down overall. - Starts working two times faster than ultra strength product. - This product is packaged in a convenient 1 caplet dose, in individual pouches that are easy to take anywhere.

Brand IP Statement(s) re: (c), (TM), (SM)

This product is not manufactured or distributed by McNeil Nutritionals, LLC, distributor of Lactaid.

General: Product/Version Code

ITM. / ART. 561532 MFR# 53041 Rev 0513

General Statements: All Other Content

Helps prevent symptoms of - Gas - Bloating - Diarrhea

General Statements: All Other Content

Actual size

Brand IP Statement(s) re: (c), (TM), (SM)

Compare to Lactaid Fast Act

General Statements: All Other Content

NDC 63981-193-18

General Statements: All Other Content

Based on simulated in-vitro studies.

Manufacturer & Distributor

Distributor

Costco Wholesale Corporation

P.O. Box 34535, Seattle, WA, 98124-1535, USA

Manufacturer

Guardian Drug Company, Inc.

2 Charles Court, Dayton, NJ, 08810

609-860-2600 ext. 700

Market Reference

$8.29 – $74.99· 13 listings
  • Kirkland Signature Fast Acting Lactase

    Pronto Home Delivery5.0(4)
    $18.99
  • Kirkland Signature Fast Acting Lactase Enzyme 180 Caplets

    Walmart - Star Sales4.3(6)
    $21.99
  • Kirkland Signature Fast Acting Lactase 180 Caplets

    Walmart - UsaVitamins
    $74.99
  • Kirkland Signature Fast Acting Lactase, 180 Caplets..

    eBay5.0(4)
    $31.98
  • Kirklands Other | Kirklands Fast Acting Lactase Caplets - Blue And Yellow | Color: Blue/Yellow | Size: Os | Sandyfll's Closet

    Poshmark
    $25.00
  • Lactaid Fast Act Caplets

    Walmart4.4(1400)
    $15.34
  • Kirkland Signature Fast Acting Lactase Enzyme Dairy Digestive 180 Caps

    eBay - emiicollection5.0(4)
    $57.99
  • Kirkland Fast Acting Lactase Enzyme Natural Dairy Digestive 180/360

    eBay - accesswiz4.7(132)
    $22.88

Where to Buy Locally

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

Showing representative supplement & health retailers — search above for stores in your area.

  • Healthcart

    4.9 (78)

    Vitamin & supplements store

    Manyani E Rd, Nairobi, Kenya

  • Holland & Barrett - Cheapside

    4.3 (68)

    Vitamin & supplements store

    130-131 Cheapside, London EC2V 6BT, United Kingdom

  • Natural Balance

    4.7 (32)

    Health food store

    635 Great Western Rd, Glasgow G12 8RE, United Kingdom

  • Supplementen.nl - Supplementen BV

    5.0 (32)

    Vitamin & supplements store

    Valkenkamp 138, 3607 LH Maarssen, Netherlands

  • Farmaenergy

    4.9 (26)

    Vitamin & supplements store

    Via Casilina, 1670/Edif c4, 00133 Roma RM, Italy

  • PrimeBody Nutrishop - Alegro Sintra

    5.0 (66)

    Vitamin & supplements store

    Alegro, R. Alto do Forte IC 19, 2635-018 Rio de Mouro, Portugal

  • fithealthy.eu

    4.6 (54)

    Vitamin & supplements store

    Kārļa Mīlenbaha iela 5, Latgales priekšpilsēta, Rīga, LV-1050, Latvia

  • Leanbody

    5.0 (9)

    Vitamin & supplements store

    Ármúli 11, 108 Reykjavík, Iceland

Research & Studies

  • Oportunidad de negocio para la importación y comercialización de pastillas de enzima de lactasa

    UL Patroni Vizquerra - repositorioacademico.upc.edu.pe

    … lactasa se hará respecto de las pastillas de marca Kirkland Signature Fast Acting Lactase producidas por la empresa Costco Wholesale Corporation, pastillas de enzima de lactasa que …

  • THE CAPOTEN REVOLUTION

    AT WORK, AT PLAY - europepmc.org

    … As an acid-stable lactase, Lactaid Tablets work effectively in … Give your patients fast acting, long lasting relief. New Pro-Air… involving 13,000 patients and healthy volunteers.“ Losec was …

  • Diabetes Shopping at Costco Pharmacy

    C Kirkland Vitamin - cdiabetes.com

    … vitamins, minerals, and other supplements that can help you stay well nourished and healthy. … Lactase is an enzyme that enables you to digest lactose, a sugar found in dairy products. If …

  • Changes in gut microbiota and lactose intolerance symptoms before and after daily lactose supplementation in individuals with the lactase nonpersistent …

    L JanssenDuijghuijsen, E Looijesteijn… - The American journal of …, 2024 - Elsevier

    … healthy adults of Asian origin, carrying the LNP-genotype were included in this 12-wk before and after intervention trial. Participants consumed gradually increasing lactose … 25 g lactose …

    202439 citations
  • … of a Randomized Controlled Crossover Trial to Assess Tolerance, Gastrointestinal Distress, and Preference for Milks Varying in Casein Types and Lactose …

    LA Robinson, AM Cavanah, S Lennon, ML Mattingly… - Nutrients, 2025 - mdpi.com

    … bone health, metabolic regulation, and chronic disease prevention, future research should focus on elucidating the mechanisms by which A1 and A2 β-casein influence digestive health […

    20256 citations
  • Effects of a multinutrient-fortified milk drink combined with exercise on functional performance, muscle strength, body composition, inflammation, and oxidative stress …

    RM Daly, J Gianoudis, B De Ross… - … American journal of …, 2020 - academic.oup.com

    … relatively healthy, albeit overweight, women with certain physical measures already close to optimal, thereby limiting the capacity for further improvements, and/or differences in the short…

    202027 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2016-07-25. DSLD Label ID: 62680. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.