Liyin Biotech provides premium products and professional services tailored to each customer.

Specialized supplier of human nutrition and animal health products

Liyin Biotech provides premium products and professional services tailored to each customer.

Specialized supplier of human nutrition and animal health products

Liyin Biotech provides premium products and professional services tailored to each customer.

Specialized supplier of human nutrition and animal health products

Liyin Biotech provides premium products and professional services tailored to each customer.

Specialized supplier of human nutrition and animal health products

Liyin Biotech provides premium products and professional services tailored to each customer.

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OUR PRODUCTS

As a specialized supplier of human nutrition and animal health products ,the company focuses on a range of products including vitamins ,amino acids ,plant extracts ,and sweeteners,which are widely used in industries ,such as food ,health supplements,cosmetics ,feed and veterinary medicine .

Food Nutrition Supplements Animal Nutrition Supplements Vitamin Series

High Purity L-Cysteine Base | ≥98% Feed, Food & Supplement Grade | CAS 52-90-4 Product Overview

L-Cysteine is a semi-essential sulfur-containing amino acid that serves as the rate-limiting precursor to glutathione, one of the body's most important antioxidants. It plays a critical role in cellular defense against oxidative stress, protein structure through disulfide bond formation, and detoxification processes. Widely used in dietary supplements for antioxidant and liver support, as a dough conditioner in baking, in animal feed, and in personal care formulations for hair and skin conditioning. Available in Feed, Food, and Supplement Grades with ≥98% purity, backed by full documentation and batch-to-batch consistency. Ideal for supplement formulators, food manufacturers, feed producers, and cosmetic formulators.

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High Purity L-Isoleucine Powder | ≥98.5% Feed, Food & Supplement Grade | CAS 73-32-5

L-Isoleucine is an essential branched-chain amino acid (BCAA) that supports muscle metabolism, endurance, and recovery. It is broken down for energy within muscle tissue and plays a key role in hemoglobin formation and blood sugar regulation. Available in Feed, Food, and Supplement Grades with ≥98.5% purity. Ideal for sports nutrition formulations, animal feed, and food fortification applications.

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High Purity L-Leucine Powder | ≥98.5% Feed, Food & Supplement Grade | CAS 61-90-5

L-Leucine is an essential branched-chain amino acid (BCAA) that plays a unique role in activating the mTOR signaling pathway to stimulate protein synthesis and muscle growth. It is critical for sports nutrition, muscle recovery, blood sugar regulation, and growth hormone production. Available in Feed, Food, and Supplement Grades with ≥98.5% purity, backed by full documentation and batch-to-batch consistency. Ideal for supplement formulators, food manufacturers, and feed producers.

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High Purity L-Phenylalanine Powder | ≥98.5% Feed, Food & Supplement Grade | CAS 63-91-2

L-Phenylalanine is an essential aromatic amino acid that serves as the primary precursor to L-Tyrosine, which is converted into dopamine, norepinephrine, and epinephrine — neurotransmitters critical for mood, cognitive function, and stress response. It also plays a role in melanin production and thyroid hormone synthesis. Widely used in dietary supplements, food fortification, animal feed, and personal care formulations. Available in Feed, Food, and Supplement Grades with ≥98.5% purity, backed by full documentation and batch-to-batch consistency. Ideal for supplement formulators, food manufacturers, and feed producers.

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High Purity L-Cysteine Base | ≥98% Feed, Food & Supplement Grade | CAS 52-90-4 Product Overview

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High Purity L-Isoleucine Powder | ≥98.5% Feed, Food & Supplement Grade | CAS 73-32-5

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High Purity L-Leucine Powder | ≥98.5% Feed, Food & Supplement Grade | CAS 61-90-5

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High Purity L-Phenylalanine Powder | ≥98.5% Feed, Food & Supplement Grade | CAS 63-91-2

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ABOUT US

Henan Liyin Biotech Co.,Ltd

Henan Liyin Biotech Co.,Ltd is established in 2024,located in Zhengzhou,on the banks of the Yellow River-the revered “Mother River “of China .As a specialized supplier of human nutrition and animal health products ,the company focuses on a range of products including vitamins ,amino acids ,plant extracts ,and sweeteners,which are widely used in industries ,such as food ,health supplements,cosmetics ,feed and veterinary medicine .By integrating global product resources with the needs of international clients ,Liyin Biotech provides premium products and professional services tailored to each customer .

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APPLICATION FIELD

B-Complex Vitamins in Animal Feed: A Practical Guide

Plant Extracts & Sweeteners: Natural Ingredients for Clean Label Food Products

Cosmetic Grade Vitamins: Sourcing Bulk Ingredients for Skincare & Hair Care Formulations

Food Fortification with B Vitamins: Regulations, Benefits and Bulk Sourcing Tips

Essential Vitamins for Poultry & Livestock: A Guide to Feed Grade Vitamin Premix

Feed

B-Complex Vitamins in Animal Feed: A Practical Guide

B-complex vitamins are water-soluble nutrients essential for energy metabolism, growth, reproduction, and immune function in livestock and poultry. Since most animals cannot synthesize sufficient amounts on their own, dietary supplementation is necessary. This guide covers the functions of each B-vitamin, their core applications in swine and poultry production, and best practices for effective supplementation—including dosage precision, mixing techniques, and avoiding common interactions.

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Plant Extracts & Sweeteners: Natural Ingredients for Clean Label Food Products

This comprehensive guide explores the growing clean label movement and the role of plant extracts and natural sweeteners in replacing synthetic additives. The article begins with an overview of the clean label trend and consumer demand for recognizable, simple ingredients. It then details five key plant extracts — grape seed (≥95% proanthocyanidins), green tea (≥50% polyphenols, ≥20% EGCG), ginseng (10–80% ginsenosides by HPLC), milk thistle (≥80% silymarin), and aloe vera (10:1 concentrate / 200:1 powder) — covering active compounds, applications, and typical specifications. The natural sweeteners section compares stevia (RA 80–99%, 200–350× sugar sweetness, zero calories), monk fruit extract (≥25–50% Mogroside V, 150–250× sweetness), and thaumatin (2,000× sweetness, flavor enhancement), including a formulation comparison table for heat stability, pH stability, solubility, and flavor profile. A sourcing considerations section details quality parameters (identification, assay, solvent/pesticide/heavy metal testing) and required documentation (COA, GMP/HACCP, Non-GMO, Organic). Includes Liyin Bio's natural ingredient portfolio covering plant extracts and stevia/monk fruit sweeteners.

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Cosmetic Grade Vitamins: Sourcing Bulk Ingredients for Skincare & Hair Care Formulations

This guide covers the essential cosmetic-grade vitamins for skincare and hair care formulations, including Niacinamide (Vitamin B3, CAS 98-92-0), Vitamin E (Tocopherol/Tocopheryl Acetate, CAS 7695-91-2), Vitamin C (L-Ascorbic Acid and derivatives, CAS 50-81-7), Coenzyme Q10 (CAS 303-98-0), and Vitamin K1 (CAS 84-80-0). Includes typical use levels (0.3–5%), stability considerations, form selection (powder vs. oil), and the differences between cosmetic grade and food grade (purity, heavy metal limits, regulatory compliance with EU CosIng and US CIR). Also provides a complete sourcing checklist covering COA, MSDS, packaging requirements for sensitive ingredients, and manufacturer qualification criteria.

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Food Fortification with B Vitamins: Regulations, Benefits and Bulk Sourcing Tips

This guide provides food manufacturers and ingredient buyers with a comprehensive overview of food fortification using B vitamins. Covers the rationale for fortifying staple foods (flour, rice, cereals, beverages) with Thiamine (B1, CAS 532-43-4), Riboflavin (B2, CAS 83-88-5), Niacin (B3, CAS 59-67-6), Folic Acid (B9, CAS 59-30-3), and Cyanocobalamin (B12, CAS 68-19-9). Includes a detailed comparison of global regulations — US FDA mandatory flour enrichment, EU Regulation (EC) 1925/2006, China GB 14880-2012, and policies in Canada, Australia, and India. Also covers formulation considerations (heat stability, light sensitivity, pH interactions, overage allowances), premix design best practices, and a bulk sourcing checklist for qualifying food-grade vitamin suppliers.

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Essential Vitamins for Poultry & Livestock: A Guide to Feed Grade Vitamin Premix

This guide covers everything B2B buyers need to know about feed-grade vitamin premixes for poultry (broilers, layers) and livestock (swine, cattle, sheep). Includes detailed breakdowns of fat-soluble vitamins A, D3, E, K3 and water-soluble B-complex vitamins (B1, B2, B3, B5, B6, B7, B9, B12), their deficiency symptoms, common commercial forms, premix formulation considerations (stability, carrier selection, compatibility), and recommended inclusion levels per kg of complete feed. Also provides a sourcing checklist covering COA requirements, heavy metal testing, packaging standards, and supplier certification criteria.

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Feed

The company specializes in vitamins, amino acids, plant extracts, sweeteners and other series of products, which have been widely used in food, health food, cosmetics, feed, veterinary medicine and other industries.

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BLOG

We are a supplier specializing in human nutrition and animal health products

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Vitamin C in Animal Nutrition: Stability Challenges, Innovative Solutions, and Emerging Applications

Jul 10,2026

This article reviews the stability challenges of vitamin C in animal nutrition, emerging stabilization technologies including tetraacetyl vitamin C ester (TVCE) and liposomal/nano-liposomal delivery systems, and application considerations across poultry, swine, aquaculture, and rabbits. It provides procurement professionals with a comprehensive guide to selecting and evaluating vitamin C sources for different production systems.

Vitamin Ingredients Market 2025-2034: Trends, Growth Drivers, and Strategic Opportunities

Jul 09,2026

Data-driven analysis of the evolving vitamin market — from feed additives to NAD⁺ nutrition. Key trends, market sizes, and strategic implications for buyers.

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How to contact ?

You can contact with us on Made-in-China, the AverageResponse Time is 0-4h on Work time, <24h on Non-worktime. For every inquiry, our sales will provide the one-for-oneservice for you.

How about the payment terms ?

Normal orders: Company accountSample/small orders: Paypal(The 5-10% extrafee).Western Union etc.About the payment term, we will negotiate alone.

How to get the samples ?

You can contact with us on Made-in-China, the AverageResponse Time is 0-4h on Work time, <24h on Non-worktime. For every inquiry, our sales will provide the one-for-oneservice for you.

How to confirm the Product Quality before placing orders?

1st, you can get free samples for some products, just paythe basic cost for us. 2nd,Also you can send the specification or your quest tous, we will customize the products for you.3rd,We emphasis that our whole company make a livingwith organic chemical and customers, we absolutelyimpossible to sale any fake goods, unqualified goods, it isshame! And None False certificate/lie/illegal thing in oursales net!

Which kind of payment do you accept?

1>As usually we use company account ,T/T in advance ,or at least 30% T/T in advance ,the balance can be paid by the copy of B/L 2>For some countrys we can accept L/C at sight & DP at sight 3>For smaples we can use Paypal (The 5-10% extra fees) or other ways About the payment term, we will negotiate alone.

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