Practical guides on botanical extracts, amino acids and quality control – written for supplement formulators, brand owners and buyers who source ingredients.
Rosmarinic Acid Powder: One Polyphenol, Three Industries
2026-09-30 · Core Nutrix · Ingredient Guides
Few ingredients earn shelf space in three different industries at once. Rosmarinic acid - a polyphenol found in rosemary, mint, lemon balm and perilla...
Read the guide →Yeast Protein F80: A Buyer’s Guide to Fermentation-Derived Protein
2026-09-25 · Core Nutrix · Ingredient Guides
Yeast protein has moved from a niche fermentation ingredient to one of the fastest-moving protein sources in functional food. Prices have firmed up as...
Read the guide →Hojicha Powder: A Buyer’s Guide to Roasted Green Tea for Cafes and Formulators
2026-09-23 · Core Nutrix · Ingredient Guides
Matcha has ruled the green-tea world for a decade, but its roasted sibling is moving fast. Hojicha powder - milled from roasted Japanese green tea - d...
Read the guide →Burdock Root Extract Powder: Sourcing a Root with Food Heritage and Modern Demand
2026-09-16 · Core Nutrix · Ingredient Guides
Burdock root has one of the more unusual backgrounds in the botanical aisle: it has been eaten as a vegetable in Japan for centuries, used in herbal t...
Read the guide →Antioxidant Depth: Vitamin C, Vitamin E, Astaxanthin, CoQ10 and Ergothioneine Compared
2026-09-09 · Core Nutrix · Ingredient Guides
Walk down the antioxidant aisle of any supplement store and the labels stop making sense: vitamin C, vitamin E, astaxanthin, glutathione, CoQ10, ergot...
Read the guide →Black Pepper Extract (Piperine 95%): The Bioavailability Workhorse Behind Better Formulas
2026-09-02 · Core Nutrix · Ingredient Guides
Black pepper extract rarely gets top billing on a supplement label, but it is the reason many popular ingredients work as well as they do. Standardize...
Read the guide →Black Cohosh Extract: A Buyer’s Guide for Women’s Wellness Formulas
2026-08-26 · Core Nutrix · Ingredient Guides
Women's wellness is one of the fastest-growing categories in the supplement industry, and black cohosh (Actaea racemosa) is one of its most establishe...
Read the guide →How to Choose an Ingredient Supplier
2026-08-19 · Core Nutrix · Technical Articles
Choosing an ingredient supplier is one of the highest-leverage decisions a supplement brand makes. The wrong choice shows up late - as a failed import...
Read the guide →Monk Fruit vs Stevia: Which to Use?
2026-08-12 · Core Nutrix · Ingredient Guides
Monk fruit and stevia are the two plant-based, zero-calorie sweeteners that dominate clean-label formulations. Both are far sweeter than sugar, both c...
Read the guide →Silymarin 80% vs 30%: Which to Buy?
2026-08-05 · Core Nutrix · Ingredient Guides
Milk thistle (Silybum marianum) extract is one of the most widely used botanicals in liver-support supplements. When buyers compare quotations, the fi...
Read the guide →Curcumin 95%: Buyer’s Guide
2026-07-29 · Core Nutrix · Ingredient Guides
Turmeric extract is one of the best-selling botanical ingredients in the world, and "Curcumin 95%" is the specification most buyers ask for first. The...
Read the guide →Licorice Extract: Grades & Safety
2026-07-22 · Core Nutrix · Ingredient Guides
Licorice root extract appears in two very different worlds: as a flavoring and sweetening agent in confectionery and beverages, and as a botanical act...
Read the guide →Panax vs American Ginseng Guide
2026-07-15 · Core Nutrix · Ingredient Guides
Panax ginseng and American ginseng belong to the same genus and are both sold as ginsenoside-standardized extracts, which makes them easy to confuse o...
Read the guide →Reishi Extract: Fruiting Body Specs
2026-07-08 · Core Nutrix · Ingredient Guides
Reishi (Ganoderma lucidum) is the mushroom most associated with immune-support positioning and longevity in traditional use, and modern buyers see a c...
Read the guide →Monk Fruit Mogroside Grades 10–80%
2026-07-01 · Core Nutrix · Ingredient Guides
Monk fruit extract is sold in a wide band of strengths, usually expressed as mogroside V percentage - from 10% up to 80%. The grade changes the sweetn...
Read the guide →NAC Purity Grades & Formulation
2026-06-24 · Core Nutrix · Ingredient Guides
N-Acetyl-L-Cysteine (NAC) is one of the most versatile amino-acid derivatives in the supplement industry, used in antioxidant, respiratory and liver-s...
Read the guide →Ginkgo Biloba 24/6: Spec Guide
2026-06-17 · Core Nutrix · Ingredient Guides
Ginkgo biloba is one of the longest-running botanicals in cognitive health, and "24/6" is the specification almost every buyer recognizes - 24% flavon...
Read the guide →D-Chiro vs Myo-Inositol: 40:1 Guide
2026-06-10 · Core Nutrix · Ingredient Guides
Inositol formulas have become a mainstream category in women's health, and most of them combine two closely related molecules: myo-inositol and D-chir...
Read the guide →Green Tea EGCG: Strength Guide
2026-05-14 · Core Nutrix · Ingredient Guides
Green tea extract is a staple of weight-management, antioxidant and heart-health supplements, and the active most buyers specify is EGCG. But quotatio...
Read the guide →D-Mannose vs Cranberry: Buyer’s Guide
2026-04-16 · Core Nutrix · Ingredient Guides
D-mannose and cranberry are the two ingredients most associated with urinary-tract support, and many brands now use both in the same product. They wor...
Read the guide →CoQ10: Ubiquinone vs Ubiquinol
2026-03-18 · Core Nutrix · Ingredient Guides
Coenzyme Q10 is a foundation ingredient in heart, energy and healthy-aging products, and buyers face two parallel decisions: which form to buy (ubiqui...
Read the guide →Creatine Mono vs HCl: Buyer’s Guide
2026-02-11 · Core Nutrix · Ingredient Guides
Creatine is the most researched ingredient in sports nutrition, but the two forms that dominate today's market - creatine monohydrate and creatine hyd...
Read the guide →Water-Soluble Astaxanthin 10% CWD
2026-01-15 · Core Nutrix · Ingredient Guides
Astaxanthin is one of the most powerful carotenoid antioxidants, but its chemistry creates a practical problem: the pure molecule is oil-soluble, unst...
Read the guide →How to Read a COA: Buyer’s Guide
2025-12-19 · Core Nutrix · Technical Articles
The Certificate of Analysis (COA) is the single most important document in B2B ingredient buying. It is the supplier's written promise that the batch...
Read the guide →Ashwagandha Standardization Guide
2025-11-28 · Core Nutrix · Ingredient Guides
Ashwagandha (Withania somnifera) root extract is one of the most requested adaptogens in stress, sleep and sports-recovery supplements. When buyers co...
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Frequently Asked Questions (FAQ)
How often do you publish new guides?
New ingredient guides and technical articles are added regularly, usually several per month.
Can I request a topic?
Yes - send the ingredient or specification question you would like covered through the contact form and we will add it to the editorial list.
Are the guides suitable for regulatory teams?
The guides focus on specifications, ingredient forms and manufacturing practice; they are a starting point for further diligence rather than a substitute for regulatory review.