KBU®

Other Combinations

Brand: 4Life

CapsuleOther CombinationsOff Market

Product label for KBU — Click to view full label

Net Contents

120 Capsule(s)

Serving Size

4 Capsule(s)

Servings Per Container

Supplement Form

Capsule

Bar Code (UPC/SKU)

25501

Product Version

Item # 25501 080919US

Label Analysis

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

4Active Ingredients

4 distinct active ingredients are disclosed in Supplement Facts.

100%Amount Transparency

Label includes a proprietary blend, so some individual amounts are not itemized.

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

Allergen Guide

Contains

Milk
Egg

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: 4 Capsule(s) · 1 per day

Ingredient	Amount Per Serving
4Life Tri-Factor Formula	100 mg	—
UltraFactor XF(Peptides, ultra-filtered 4Life Transfer Factor proteins)	—	—
OvoFactor(4Life Transfer Factor proteins, Peptides)	—	—
NanoFactor(Cow Colostrum)	—	—
Bladder Support Blend	1050 mg	—
Cranberry (Vaccinium macrocarpon) fruit powder & extract	—	—
D-Mannose	—	—
Blueberry	—	—
Lingonberry (Vaccinium vitis-idaea) fruit juice	—	—
Kidney Support Blend	580 mg	—
IP-6	—	—
Chanca Piedra	—	—
Juniper	—	—
Dandelion	—	—
Varuna (Crateva nurvala) stem bark extract	—	—
pH Balancing Blend	208 mg	—
Apple Cider Vinegar	—	—
Sodium Bicarbonate	—	—
Potassium Bicarbonate	—	—
Calcium Carbonate	—	—

Not Present

Other Ingredients

Gelatin CapsuleSilicon DioxideSodium Stearyl Fumarate

Target Groups

Adult (18 - 50 Years)

Label Claims

All OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Directions: Take four (4) capsules daily with 8 oz. of fluid. For best results, take two (2) capsules, morning and evening.

Warnings & Precautions

Precautions re: Children

Keep out of reach of children.

Precautions re: Allergies

Contains ingredients from milk and eggs.

Formulation

Formulation re: Other

4Life Transfer Factor KBU supports a healthy urinary system, including the bladder and kidneys.

Formulation re: Other

Made in the USA with quality ingredients from around the world

Formula re: Contains

Targeted Transfer Factor

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

Dietary Supplement

Other Label Statements

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

General Statements: All Other Content

A product of 4Life

Seals/Symbols

Certified 4Life Transfer Factor

Manufacturer & Distributor

Manufacturer

BioMedical Research Laboratories, LLC

9850 South 300 West, Sandy, UT, 84070

888-454-3374

Manufacturer

4Life

Market Reference

$21.00 – $240.00· 33 listings

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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.

Xtreme Supplements
5.0 (85)
Vitamin & supplements store
1974 W Lawrence Ave, Chicago, IL 60640
Directions (773) 293-6644
Health Kick
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5640 Dempster St, Morton Grove, IL 60053
Directions (847) 965-4070
Life Spring Health Foods
4.9 (198)
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3178 N Clark St, Chicago, IL 60657
Directions (773) 327-1023
Vita vita vitamins
4.8 (31)
Vitamin & supplements store
6315 N Milwaukee Ave, Chicago, IL 60646
Directions (773) 853-0058
4life vitaminas
Vitamin & supplements store
1823 W Irving Park Rd, Chicago, IL 60613
Directions (773) 259-8181
LFI Labs
5.0 (4)
Vitamin & supplements store
47 W Polk St #100, Chicago, IL 60605
Directions (888) 594-3624
Greenfield Nutritions
5.0 (4)
Vitamin & supplements store
8745 W Higgins Rd Suite 110, Chicago, IL 60631
Directions (800) 935-0190
Vitamin World
3.6 (9)
Vitamin & supplements store
5220 Fashion Outlets Way Suite 2275, Rosemont, IL 60018
Directions (847) 233-9957

Research & Studies

Crotonate enhances intestinal regeneration after injury via HBO1-mediated H3K14 crotonylation
Y Xiao, S Yu, M Zhang, N Zhong, S Hua, Z Fang… - Nature …, 2025 - nature.com
… a moderate decrease at day 8 in our experiment (Supplementary Fig. 1b). Otherwise, it was … 34 , but our data indicated that crotonate or supplement of NaCr promotes the expression of …
20253 citations
Assessment of a multi-ingredient dietary supplement on sleep quality: a randomized, double-blinded, placebo-controlled crossover clinical study
A Andersen, D Vollmer, B Vaughan, D Eggett… - Sleep Science and …, 2025 - Springer
… The study supplement is produced by 4Life Research, LLC., and 4 of the six authors are … with no connection to 4Life Research, LLC. All researchers at 4Life Research were blinded …
20251 citations
4LIFE TRANSFER FACTOR TRI-FACTOR FORMULA-4Life Research
C Order
Dietary supplement use and life expectancy after breast cancer–The Danish Diet, Cancer and Health cohort
C Kyrø, MK Grand, J Bigaard, M Rossing… - The Journal of …, 2025 - Elsevier
Background Dietary supplement use is widespread among women with breast cancer, but evidence regarding the possible health benefits or harms remains limited. Objective To …
20251 citations
Linking chromatin acylation mark-defined proteome and genome in living cells
F Qin, B Li, H Wang, S Ma, J Li, S Liu, L Kong, H Zheng… - Cell, 2023 - cell.com
… ∗ hib-RS) and the published Kpr/Kbu/Khib recognition PylRS variant (Kpr-RS… Kbu/K ∗ bu/Khib/K ∗ hib-RS compared with the published Kpr/Kbu/Khib-RS for the incorporation of Kpr/Kbu…
202350 citations
Molecular coupling of histone crotonylation and active transcription by AF9 YEATS domain
Y Li, BR Sabari, T Panchenko, H Wen, D Zhao, H Guan… - Molecular cell, 2016 - cell.com
… The enhanced affinity for Kpr or Kbu compared with Kac for the YEATS domain is likely functional, and we anticipate that perturbations to these histone modifications will affect YEATS …
2016430 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2021-04-22. DSLD Label ID: 248403. 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.