Official product image when availableGNC L-Glutathione 500mg 30pcs
Other Vitamins · Listed here since 8 Aug 2026, 5:43 am
Price last changed or was first recorded：14 Aug 2026, 12:29 am · Actual purchase price prevails
CHANNEL METRICS
Official online
PRICE HISTORY
Price by channel
Projected tomorrow
Lines use each day's last confirmed price; intraday low and high remain visible in the table and point details.
Open accessible data tables
In-store price history
Only observations confirmed for the selected store are included; general catalogue prices are excluded.
| Date | Standard price | Discount | After discount |
|---|
Official online price history
One row per day compares the standard price with the verified offer-equivalent amount.
| Date | Standard price | Discount | After discount (avg. each) |
|---|---|---|---|
| 2026-08-14 | HK$349.00 | 20% off | HK$279.20 |
| 2026-08-13 | HK$349.00 | 20% off | HK$279.20 |
| 2026-08-12 | HK$349.00 | 20% off | HK$279.20 |
| 2026-08-11 | HK$349.00 | 20% off | HK$279.20 |
| 2026-08-10 | HK$349.00 | — | HK$349.00 |
| 2026-08-09 | HK$349.00 | — | HK$349.00 |
| 2026-08-08 | HK$349.00 | — | HK$349.00 |
CURRENT OFFER TERMS
Check the terms before comparing prices
Only currently active offers that can be attributed to this product are shown.
20% off
Media Discount
This product is currently out of stock online; the offer is not shown as an actionable price.
- Discounted unit price
- HK$279.20
Email price alerts are not enabled yet.
Audit source observationsTechnical details and CSV export
Observed records
↓ CSVEach source check is one row. Offer averages are not single-item checkout prices.
| Observed | Channel | Standard price | Offer | Amount paid | Average each | Tomorrow | Status |
|---|---|---|---|---|---|---|---|
| 14 Aug 2026, 12:29 am | Official online | HK$349.00 | 20% off – members only | HK$279.20 | HK$279.20 | — | out of stock |
| 13 Aug 2026, 12:31 am | Official online | HK$349.00 | 20% off – members only | HK$279.20 | HK$279.20 | — | out of stock |
| 12 Aug 2026, 4:40 am | Official online | HK$349.00 | 20% off – members only | HK$279.20 | HK$279.20 | — | out of stock |
| 11 Aug 2026, 4:48 am | Official online | — | 20% off – members only | HK$279.20 | HK$279.20 | — | Valid |
| 11 Aug 2026, 12:31 am | Official online | HK$349.00 | — | — | — | — | out of stock |
| 10 Aug 2026, 12:30 am | Official online | HK$349.00 | — | — | — | — | out of stock |
| 9 Aug 2026, 6:16 am | Official online | HK$349.00 | — | — | — | — | out of stock |
| 8 Aug 2026, 5:43 am | Official online | HK$349.00 | — | — | — | — | Valid |
History status: pending— → —