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26 Oct - 16 Nov
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GLPro™ Core · Jung Kwan Jang

One bottle a day, suitable for people concerned about blood sugar.

Made with KGC05pg, Korea’s first and only red ginseng functional ingredient of its kind*, in a 25 ml daily bottle. This product helps maintain healthy blood sugar levels.

12-week human studyMFDS-recognised ingredientAuthorised dealer
See programs Ask us on WhatsApp
Offer summaryHealthy Start · 3 months · 4 boxes
4 boxes × HK$758Original price HK$3,032
Program saving−HK$107
  • Free SF Express delivery across Hong Kong · 1–2 working days
  • Cash on delivery (COD) available
  • Same-day dispatch when you order before 3pm Mon–Fri or 12pm SatEstimated dispatch: Today · Tue, 3 Nov (HK time)
  • Damaged or expired on arrival? Contact us and we'll sort it out
You pay≈HK$35/day HK$2,925You save HK$107
Buy now · HK$2,925

*Red ginseng category of Korean health functional foods, as of September 2024.

GLPro Core box and 25 ml bottlesGLPro Core with a Korean ginseng rootTaking a GLPro Core bottle at breakfast
Authorised sellerDealer ID I1597 · verify on Wellous
Human clinical study12 weeks · 98 adults · double-blind
One bottle a day25 ml, easy to take daily
HK deliverySF Express, free across Hong Kong, one to two working days
I visited Jung Kwan Jang’s headquarters in Korea in person
I visited Jung Kwan Jang’s headquarters in Korea in person
With Ms Ga Hye Kim, GLPro Brand Manager, at JKJ R&D
With Ms Ga Hye Kim, GLPro Brand Manager, at JKJ R&D
With Ms Seung Hee Kim, GLPro Team Leader
With Ms Seung Hee Kim, GLPro Team Leader
With Dr Yang Hye, R&D Expert, at JKJ R&D
With Dr Yang Hye, R&D Expert, at JKJ R&D
With Dr Han Ol Kwon, R&D Expert, and the R&D team
With Dr Han Ol Kwon, R&D Expert, and the R&D team
Made for everyday life

Built for busy city eating.

Cha chaan teng lunches, weekend yum cha, late dinners after work — carb-heavy days are part of city life. GLPro Core fits into a simple daily routine and is suitable for people concerned about blood sugar. No powders, no brewing.

01
Pocket-sizedA slim 25 ml bottle. Drink it at your desk, in the car or on the go.
02
Red ginseng + botanicalsKGC05pg red ginseng with bitter melon and banaba leaf, in one bottle.
Choose your program

Consistency is the whole point.

Longer programs make the daily habit easier — and cost less per day.

Buy now · HK$758
Buy now · HK$2,925
Buy now · HK$4,160
Buy now · HK$5,546

Checkout is completed on the official Wellous platform. Prefer to talk first? Tap WhatsApp.

Human clinical research

Studied for 12 weeks, in people.

98Adults
12Weeks
2 gKGC05pg / day

Randomised · double-blind · placebo-controlled · parallel-group

Study design at a glance:

Randomised allocation
Double-blind
Placebo comparison group
Parallel groups
KGC05pg ingredient only, not the full GLPro Core formula
Peer-reviewed: Medicine, 2024
Chart: change after 12 weeks in fasting blood sugar, 60-minute post-glucose blood sugar, HbA1c and insulin resistance (HOMA-IR), KGC05pg vs placebo

The full paper, including participant criteria, methods and results, is published open-access. Read it at the source rather than relying on a summary.

Jeong Y, et al. Medicine. 2024;103(52):e41130 · PMID 39969290

Read the paper on PubMed

The study tested the KGC05pg red ginseng ingredient (2 g/day) in adults — not the complete GLPro Core formula. Participant criteria and full results are in the published paper. Findings from a single study are group-level and may not apply to everyone.

Interview: Dr Yang Hye, R&D Expert, at JKJ R&D

This product is not registered under the Pharmacy and Poisons Ordinance or the Chinese Medicine Ordinance. Any claim made for it has not been subject to evaluation for such registration. This product is not intended to diagnose, treat or prevent any disease.

Interview: Ms Seung Hee Kim, GLPro Team Leader, at a JKJ store

This product is not registered under the Pharmacy and Poisons Ordinance or the Chinese Medicine Ordinance. Any claim made for it has not been subject to evaluation for such registration. This product is not intended to diagnose, treat or prevent any disease.

Interview: Ms Ga Hye Kim, GLPro Brand Manager, at JKJ R&D

This product is not registered under the Pharmacy and Poisons Ordinance or the Chinese Medicine Ordinance. Any claim made for it has not been subject to evaluation for such registration. This product is not intended to diagnose, treat or prevent any disease.

KGC researchers explain how GLPro works

This product is not registered under the Pharmacy and Poisons Ordinance or the Chinese Medicine Ordinance. Any claim made for it has not been subject to evaluation for such registration. This product is not intended to diagnose, treat or prevent any disease. The video shows researchers’ explanations; individual results vary. If you are on medication, consult your doctor first.

Interview: Mr Byung Hak Kim, GLPro Brand Manager

This product is not registered under the Pharmacy and Poisons Ordinance or the Chinese Medicine Ordinance. Any claim made for it has not been subject to evaluation for such registration. This product is not intended to diagnose, treat or prevent any disease.

Swipe or tap ‹ › for more videos

The formula

One red ginseng hero. Two supporting botanicals.

Korean red ginseng roots and slices on a woven tray
01
KGC05pg Korean Red GinsengThe main functional ingredient. Ginsenosides Rg1 + Rb1 + Rg3: 23 mg.
02
Bitter Melon ConcentrateSupporting botanical in the formula.
03
Banaba Leaf ExtractSupporting botanical in the formula.
25 mlPer bottle
12 wkHuman study
1×Per day

How to take it

1Shake well. Natural sediment from the plant ingredients is normal.
2Drink 1 bottle a day — before or after meals, or on an empty stomach.
3Keep it consistent, every day.
Since 1899

From Jung Kwan Jang, Korea’s red ginseng heritage.

The flagship brand of Korea Ginseng Corporation, with 125+ years of red ginseng expertise and 130+ specialist researchers behind KGC05pg.

125+Years
130+Researchers
6-yrGinseng roots
Visiting JKJ R&D
Visiting JKJ R&D
On the production line
On the production line
Visiting the ginseng drying room
Visiting the ginseng drying room
Ginseng harvest at the field
Ginseng harvest at the field
Harvesting with a ginseng farmer
Harvesting with a ginseng farmer
Holding a freshly harvested root
Holding a freshly harvested root

Questions? Chat with a real person.

Ask about programs, delivery or how to take GLPro Core, before or after you order. We give product support, not medical advice.

Chat on WhatsApp

The same person, start to finish.

Mr Chow

Mr Chow

Wellous Authorised Dealer · ID I1597
WhatsApp
+852 7076 8108
Collection address
Rm 709–716, 7/F, Tsuen Wan Industrial Centre, 220–248 Texaco Road, Tsuen Wan, N.T.
Collection hours
Mon–Fri 09:00–17:00 (lunch 13:00–14:00) · Sat 09:00–13:00 · Sun closed
Payment
Cash on delivery (COD) · FPS · PayMe · Visa/Mastercard · AlipayHK
Delivery
SF Express, free across Hong Kong, one to two working days

Prefer to ask a few questions before deciding, or collect in person? Message me on WhatsApp any time — you speak to the same person before and after your order.

Certificate with Mr Sang Wook Song, Brand Director
Certificate with Mr Sang Wook Song, Brand Director

How to check it isn’t a fake

GLPro Core is not sold in Jung Kwan Jang retail stores — this line goes through Wellous-authorised dealers. Here’s what you can check:

QR code on the side of the GLPro Core box
1Scan the QR code on the side of the boxIt opens the GLPro Core page on Jung Kwan Jang’s official Korean website.
Red-framed Jung Kwan Jang quality guarantee sticker next to the barcode on the GLPro Core box
2Find the red-framed quality seal next to the barcodeThe sticker reads 「正官庄 製品品質保證 韓國人參公社社長」 (Jung Kwan Jang product quality guarantee).
  • The bottle carries the Korean MFDS mark, with 「식품의약품안전처」 printed beneath it
  • The base of the bottle carries the Korean statutory labelling: ingredients, batch number and expiry date
  • Dealer ID I1597 can be verified on the dealer authentication page of the official Wellous website

Frequently asked questions

A daily 25 ml drink by Jung Kwan Jang, made with KGC05pg Korean red ginseng, bitter melon and banaba leaf. This product is suitable for people concerned about blood sugar. It is a health drink, not a medicine.

Start your daily routine.

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Jung Kwan Jang — Korean Ginseng, since 1899
Authorised dealer of Jung Kwan Jang products via Wellous · Dealer ID I1597

GLPro Core is a health functional food, not a medicine. It is not intended to diagnose, treat, cure or prevent any disease. If you take any medication (including anticoagulants), are pregnant or have a medical condition, consult a healthcare professional before use, and keep taking prescribed medicine as directed by your doctor. Prices and offers may change.

This product is not registered under the Pharmacy and Poisons Ordinance or the Chinese Medicine Ordinance. Any claim made for it has not been subject to evaluation for such registration. This product is not intended to diagnose, treat or prevent any disease. The video shows researchers’ explanations; individual results vary. If you are on medication, consult your doctor first.

Healthy Start · 3 months · 4 boxesHK$2,925
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