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- Brand：hebei qujie
- Model：25kg/Bag
- Purity：99%
- Cas：541-15-1
- Createtime： 2026-05-28
- Updatetime： 2026-06-05
| useage | Nutritional additive for food and health products |
| deliveryInfo | |
| appearance | white powder |
| aliasen | |
| supplyCapacity | 70T/Month |
| harbor | tianjin qingdao shanghai |
| minorder | 1KG |
What is L-Carnitine?
L-Carnitine is a nutrient that is derived from the amino acids lysine and methionine. But its production may not meet the needs under certain conditions such as increased energy demands and therefore it is considered a onditionally essential nutriention.
2. Athlete food: help to improve explosive power and strengthen athletic ability.
| ITEM | SPECIFICATION | METHOD |
| Identification | IR | USP<197K> |
| Appearance | White crystalline powder | Visual |
| Specific rotation | -29.0~32.0° | USP<781S> |
| PH | 5.5-9.5 | USP<791> |
| Water | ≤1% | USP<921>Method A |
| Residual solvents | ≤0.5% | USP<467> |
| Residue on ignition | ≤0.5% | USP<281> |
| Sodium | ≤0.1% | USP<852> |
| Potassium | ≤0.2% | USP<852> |
| CI- | ≤0.4% | USP<221> |
| CN- | Not detectable | Ch.P Appendix VIII F Method A |
| Heavy metal | ≤10ppm | USP<231>Method A |
| Arsenic(As) | ≤1ppm | Ch.P Appendix VIII J Method A |
| Lead(Pb) | ≤3ppm | AAS |
| Cadmium(Cd) | ≤1ppm | AAS |
| Mercury(Hg) | ≤0.1ppm | AAS |
| TPC | ≤1000Cfu/g | USP<61> |
| Yeast&Mold | ≤100Cfu/g | USP<61> |
| E.coli | Negative/1g | Ch.P Appendix XI J. |
| Salmonella | Negative/25g | Ch.P Appendix XI J. |
| Assay | 98.0%~102.0% | Tritration |
| Bulk density | 0.3~0.6g/ml | Physical |
| Tapped density | 0.5~0.8g/ml | Physical |
FAQ
Q1: Sample request
Could I get a sample before placing an order?
For high-value items, you only need to cover the sample cost and shipping fee. After long-term cooperation or once you become our VIP client, we can provide free samples upon your request.
Q2: Payment terms
We accept T/T, L/C and trade insurance. You may pick the option that suits you best.
Q3: Delivery & lead time after payment
Small orders will be sent via international couriers (DHL, FedEx, TNT) or air freight. You will receive the goods within 3 to 5 working days after shipment.
For bulk orders, sea shipping is the most cost-effective choice. Transit time ranges from several days to weeks, depending on your destination port.
Q4: Custom packaging & labels
Yes, we support customized labels and packaging as per your requirements.
Q5: Quality assurance
All our products are fully qualified. We conduct strict testing and will provide the Certificate of Analysis (COA) prior to delivery.
After-sales Service
1. All products are manufactured and inspected in compliance with national standards. Defective goods are never delivered. We strictly abide by quality commitments and after-sales regulations.
2. If you have any quality complaints, we will respond within 24 hours. Should our products fail to meet quality standards, we offer a full refund.
