5-HTP is extracted from natural griffonia seed, the beans of a vine which native to Africa. In African folk medicine, Griffonia seed is reputed to be an aphrodisiac, as well as an antibiotic and a remedy for diarrhea, vomiting, and stomachache.

Recent years, some researches indicate that Griffonia seed can raise serotonin levels of the brain. Serotonin is significant to brain chemistry and especially important in problems of depression, insomnia, and eating disorders. Theoretically, supplementing with Griffonia seed can raise serotonin levels and provide relief from depression and insomnia. While Rongsheng Biotechnology always works for leading healthy life for human being so now Rongsheng has become one of the most professional manufacture of 5-HTP.

Griffonia seed also can regulate appetite by means of increase serotonin, leading to weight reduction for obese persons, at the same time, helping normalize the weight of people suffering from anorexia nervosa.

5-Hydroxytryptophan (5-HTP), also known as oxitriptan is a naturally occurring amino acid and chemical precursor as well as a metabolic intermediate in the biosynthesis of the neurotransmitters serotonin and melatonin from tryptophan.

Shandong Longilat Biotechnology Co., Ltd was established in 2015. It is a high-tech professional and technological enterprise integrating R & D, production, and sales. 

Longilat 's main products are food additives, plant extracts, cosmetic raw materials, feed additives, animal extract, amino acids and vitamins. Most of our products are derived from natural plants. Marketing services are available in many countries around the world. 

1.Can I get some samples?
Yes, usually a 10-20g sample.

2.What's your MOQ?
Our MOQ is flexible, usually 1kg-10kg for a trial order is acceptable.

3. Is there a discount?
Of course, welcome to contact us. Price would be different based on different quantities. For bulk quantity, we will have a discount for you.

4. How to deliver the goods?
≤50kg ship by FedEx or DHL etc, ≥50kg ship by Air, ≥100kg can be shipped by Sea. If you have special request on delivery, please contact us.

5. What is the shelf life for the products?
Most products shelf life 24-36 months. 

6. What's your delivery time?
Usually, shipment will be made within 7-15 days against confirmed order.

7. How about the validity of the offer? 
Usually, our offer is valid for 1 week. However, validity might vary between different products.