Glutathione Sachet Manufacturer for Custom Stick Packs

Our Guangdong plant runs four horizontal stick-pack lines. Each line fills 40-60 sachets per minute, depending on powder flow and fill weight. For a 5g glutathione sachet, a single shift produces 18,000-22,000 units. We handle 2g sample-size sachets for travel kits and 10g clinical-style sachets for higher doses. Seals are four-side fin or three-side, with tear notches and laser scoring. We can also run dual-chamber sachets if you need to separate glutathione from a vitamin C or collagen blend.

Tooling changes take 2-4 hours between SKUs. That means a 1,000-unit run is practical without excessive setup cost. For larger orders, we schedule 5-10 day production blocks. Packaging options include standard white stick packs, matte or gloss finish, and custom-printed film with up to 8 colours. We stock food-grade PET/AL/PE laminate for moisture and light barrier. Oxygen transmission rate is below 0.5 cc/m2/day, which protects glutathione from oxidation.

Reduced L-glutathione is the most common active for sachets. Typical dosage ranges from 250mg to 1,000mg per stick. We source from suppliers with USP or EP grade documentation. Setaccio-grade glutathione, milled to 200 mesh, dissolves faster and reduces grit. For effervescent sachets, we blend glutathione with citric acid, sodium bicarbonate, and a sweetener system. The fill weight increases to 4-6g to accommodate the reaction. Non-effervescent sachets use maltodextrin, erythritol, or monk fruit as carriers.

Flavour matching is part of the brief. We keep 12 stock flavours, including mixed berry, citrus, lychee, and green apple. Custom flavours need 5-7 days for a lab sample. We can also add vitamin C, collagen peptides, alpha-lipoic acid, or N-acetylcysteine. Each addition changes the fill weight and may require a new flow test. Stability testing runs for 24 months at 25°C/60% RH and 6 months at 40°C/75% RH. We provide a certificate of analysis for every batch.

Every glutathione batch is tested for assay, heavy metals, microbial limits, and identity. We follow HACCP and ISO 22000 protocols. Incoming raw materials are quarantined until lab release. During filling, we check fill weight every 30 minutes. Metal detection and X-ray inspection run inline. The plant is FDA-registered for dietary supplements. We can issue halal, and vegan certificates depending on your ingredient list. Organic certification is available if you use glutathione, though supply is limited.

For export, we ship FOB Shenzhen or Yantian. Cartons are 5-ply corrugated with desiccant packs. A 20ft container holds approximately 180,000 sachets in retail cartons. Air freight samples go out via DHL or FedEx in 3-5 days. We handle documentation for US, EU, UK, and Middle East markets, including certificates of free sale, health certificates, and ingredient statements. Payment terms are 30% deposit, 70% before shipment. We accept T/T and LC at sight.

Every glutathione sachet batch is tested at three stages: incoming raw material, in-process blend, and finished sachet. Raw glutathione is verified for identity by HPLC and potency against the certificate of analysis, with a minimum assay of 98% for reduced L-glutathione. Microbial testing covers total plate count, yeast and mould, E. coli and Salmonella. Heavy metals are screened by ICP-MS for lead, arsenic, cadmium and mercury. Each finished batch undergoes disintegration testing to confirm the stick pack dissolves or disperses within the specified time, typically under 60 seconds for effervescent formats.

Batch documentation is compiled into a certificate of analysis (COA) that lists the product name, batch number, manufacturing date, expiry date, glutathione assay result, microbial results, heavy metal results, and disintegration time. The COA also references the specification number and the test methods used. A retention sample of at least 200g or 50 sachets from each batch is kept for the full shelf life plus six months. Stability testing follows an accelerated protocol at 40°C and 75% relative humidity for six months, with real-time testing at 25°C and 60% relative humidity for up to 24 months to support the labelled shelf life.

In-process checks occur every 30 minutes during stick-pack filling. The fill weight is verified against the target with a tolerance of ±3%, and seal integrity is checked by visual inspection and a dye penetration test on a sample of five sachets per lane per hour. Any deviation triggers a line stop and re-validation. Environmental monitoring in the filling room includes air plate counts and surface swabs for total aerobic count and Enterobacteriaceae, with results trended weekly. These records are available for review during a customer audit or as part of the batch release package.

Glutathione sachets can be packed into retail cartons, stick-pack display boxes, or combined with a bottle or blister format for kit presentations. Standard carton board is 350gsm to 400gsm with matt or gloss lamination, and each carton carries a lot number and expiry date in a legible format. For stick packs, the film structure is typically PET/AL/PE or PET/PE, with a nominal thickness of 80 to 120 microns to protect against moisture and oxygen. We can print up to eight colours with registration tolerance of ±0.2mm. Cartons are packed into corrugated shippers with a maximum weight of 15kg per shipper, and pallets are configured to 1,200mm x 1,000mm with a maximum height of 1,600mm including the pallet.

For the US market, the label must include the statement of identity, net quantity of contents, supplement facts panel with the glutathione amount per serving, list of ingredients, and the name and place of business of the manufacturer, packer or distributor. If a structure/function claim is made, the disclaimer is required. For the EU, the nutrition declaration and the permitted health claims under Regulation (EC) No 1924/2006 must be observed. We provide a label review service against these requirements, but final legal responsibility remains with the brand owner. Lot and expiry coding is applied by inkjet or laser, with a minimum character height of 1.5mm and a contrast ratio that allows machine reading.

Amazon FNSKU labels can be applied to each unit carton or to the shipper, depending on your fulfilment method. We can print and apply FNSKU labels in-house, and we maintain a check that the FNSKU matches the carton artwork and the lot record. For retail compliance, we can provide a packaging specification sheet with dimensions, weights, barcode symbology (EAN-13 or UPC-A) and a dieline for the carton. If you need a child-resistant closure or a tamper-evident seal for a bottle format, we can source these components and include them in the packaging specification. All packaging materials are checked against the approved artwork and a signed proof before mass production.

The minimum order quantity for glutathione sachets is 1,000 units per SKU subject to a line-clearance fee. Sample lead time is 7 to 10 working days after receipt of your formulation and packaging artwork, and samples are sent by courier at your cost. Mass production runs 20 to 35 working days after sample approval, depending on the complexity of the formulation and the packaging components. For repeat orders, the lead time can be reduced to 15 to 25 working days if raw materials are in stock. We provide a production schedule with milestone dates at order confirmation.

Shipping is arranged by air or sea. Air freight is typically used for pilot orders and urgent launches, with a transit time of 5 to 10 days to major airports in Europe and North America. Sea freight is more economical for full container loads, with transit times of 25 to 35 days to European ports and 20 to 30 days to US West Coast ports. We work with EXW, FOB and DDP terms. For DDP, we can quote door-to-door delivery including customs clearance and duties, but the final landed cost depends on the destination and the Harmonized System code. We recommend confirming the HS code with your customs broker before shipment.

Documents provided with each shipment include the certificate of analysis, material safety data sheet (MSDS) where applicable, free-sale certificate, and phytosanitary certificate if the product contains botanical ingredients. For EU shipments, we can provide a declaration of compliance with food contact materials for the packaging. The commercial invoice, packing list and bill of lading or airway bill are issued according to the Incoterm. We retain copies of all shipping documents for three years. If you need a pre-shipment sample, we can courier it before the main shipment departs, with a lead time of 3 to 5 working days.