KBU®

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

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

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.

Serving Size: 2 Capsule(s) · 2 per day

Not Present

• 

  4Life KBU Urinary Support Supplement

  4Life Transfer Factor Products4.9(82)

  $67.00
• 

  4Life Energy Go Stix

  shop-4life.com

  $49.00
• 

  4 Life Energy Go Stix Healthy Energy Source Kiwi Strawberry Drink Mix

  shop-4life.com4.9(166)

  $49.00
• 

  4Life RiteStart Kids & Teens

  4Life Transfer Factor Products4.5(79)

  $62.00
• 

  4Life Transfer Factor AgePro 60 Veggie Capsules

  shop-4life.com4.8(63)

  $59.00
• 

  4Life AgePro Daily Healthy Aging Cellular Support

  4Life Transfer Factor Products

  $75.00
• 

  4life Transfer Factor ReCall Brain & Memory Supplement

  shop-4life.com4.8(309)

  $55.00
• 

  4Life Transfer Factor Chewable Tri- Factor Formula

  4Life Transfer Factor Products4.9(84)

  $63.00

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.

• NutritionHQ

  5.0 (82)

  Vitamin & supplements store

  5804 Grape Rd, Mishawaka, IN 46545

  Directions(574) 271-6020

• Svpplements (Supplements & Vitamins)

  4.7 (191)

  Vitamin & supplements store

  316 W Cleveland Rd, Granger, IN 46530

  Directions(574) 217-8493

• The Vitamin Shoppe

  4.4 (102)

  Vitamin & supplements store

  5724 Grape Rd, Mishawaka, IN 46545

  Directions(574) 277-3432

• GNC

  3.7 (44)

  Vitamin & supplements store

  6501 Grape Rd #144, Mishawaka, IN 46545

  Directions(574) 272-0784

• Down To Earth

  4.5 (54)

  Vitamin & supplements store

  14678 IN-23 # A, Granger, IN 46530

  Directions(574) 271-1497

• 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 2023-12-14. DSLD Label ID: 301050. 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.