Alkaloids for Dietary Supplements & Research | Practical Guide

Alkaloids: Bioactive Nitrogen Compounds for Supplements & Pharma Research

From plant-derived indoles and isoquinolines to marine alkaloids and steroidal amines — Alfa Chemistry offers an extensive library of high-purity alkaloids for dietary supplement development, analytical standards, and drug discovery. Each product comes with comprehensive analytical data (HPLC, MS, NMR) and batch-specific COA.

With over 200 unique alkaloid structures, including rare compounds like vindoline, cepharanthine, evodiamine, and vinpocetine, we support cutting-edge research and nutraceutical innovation. All materials are handled under strict quality control and are suitable for R&D, reference standards, and functional ingredient applications.

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Alkaloids: Structural Diversity & Biological Significance

What are Alkaloids?

Alkaloids are naturally occurring organic compounds containing basic nitrogen atoms, typically derived from plants, fungi, or marine organisms. They exhibit a wide range of pharmacological activities — from cognitive enhancement (huperzine A, vinpocetine) to anti-inflammatory (tetrandrine, sinomenine) and antimicrobial (berberine, sanguinarine).

Major Structural Classes

Indole Alkaloids: Reserpine, yohimbine, vinblastine, strychnine — often target neurological receptors.
Isoquinoline Alkaloids: Berberine, sanguinarine, tetrandrine, cepharanthine — anti-inflammatory, anticancer, and cardioprotective.
Quinoline & Cinchona Alkaloids: Quinine, quinidine, cinchonine — antimalarial and antiarrhythmic.
Pyridine & Piperidine Alkaloids: Lobeline, arecoline, sparteine — nicotinic receptor modulators.
Steroidal Alkaloids: Solanine, cyclopamine, jervine — hedgehog signaling pathway inhibitors.
Purine Alkaloids: Caffeine, theophylline — adenosine receptor antagonists.
Diterpene Alkaloids: Aconitine, hypaconitine — sodium channel activators (strictly for research).

Selection Tips

Choose alkaloid reference standards with certified purity (>98%) for analytical method development. For functional ingredient development, consider bioavailability, safety profile, and regulatory status. Alfa Chemistry provides detailed safety and handling documentation.

Featured Alkaloids — High-Purity Standards & Bioactives

Indole, Quinoline & Cinchona Alkaloids

Isoquinoline & Benzylisoquinoline Alkaloids

Terpenoid, Diterpene & Steroidal Alkaloids

Pyridine, Tropane, Purine & Miscellaneous Alkaloids

Neuroactive and antiparasitic alkaloids widely used in research and supplement prototypes.

Product Name	CAS / Key Feature	Price
Huperzine A	102518-79-6, acetylcholinesterase inhibitor	Inquiry
Vinpocetine	42971-09-5, cerebral vasodilator	Inquiry
Reserpine	50-55-5, antihypertensive alkaloid	Inquiry
Yohimbine HCl	65-19-0, alpha-2 antagonist	Inquiry
Quinine	130-95-0, antimalarial standard	Inquiry
Vindoline	2182-14-1, precursor to vinblastine	Inquiry
Catharanthine	2468-21-5, anticancer research	Inquiry

Also available: Ajmalicine, Corynanthine, Voacangine, Mitraphylline, Isomitraphylline, Uncarine C, Uncarine D, etc.

Potent anti-inflammatory, anticancer, and cardioprotective agents from plants like Berberis, Stephania, and Chelidonium.

Product Name	CAS / Activity	Price
Tetrandrine	518-34-3, calcium channel blocker, anti-fibrotic	Inquiry
Cepharanthine	481-49-2, antiviral, hair growth promoter	Inquiry
Sanguinarine	2447-54-3, antimicrobial, antiplaque	Inquiry
Coptisine	3486-66-6, anti-inflammatory	Inquiry
Jatrorrhizine	3621-38-3, neuroprotective	Inquiry
Evodiamine	518-17-2, thermogenic, anti-obesity	Inquiry

Also available: Berberine, Palmatine, Corydaline, Bulbocapnine, Glaucine, Scoulerin, Laurifoline.

Complex structures with potent bioactivity — used in cancer research, hedgehog signaling studies, and traditional medicine.

Product	CAS / Key Use	Price
Cyclopamine	4449-51-8, hedgehog pathway inhibitor	Inquiry
Peimine	23496-41-5, expectorant, anti-inflammatory	Inquiry
Alpha-Solanine	20562-02-1, glycoalkaloid, anticancer potential	Inquiry
Mesaconitine	2752-64-9, sodium channel activator (research only)	Inquiry
Camptothecin	7689-03-4, topoisomerase I inhibitor	Inquiry
10-Hydroxycamptothecin	19685-09-7, more soluble analog	Inquiry

Also available: Jervine, Veratramine, Solanidine, Tomatine, Vinblastine Sulfate, Vincristine Sulfate.

Diverse nitrogen heterocycles with cholinergic, CNS, and metabolic effects.

Product	CAS / Biological Role	Price
Lobeline Sulfate	134-64-5, nicotinic receptor agonist, smoking cessation research	Inquiry
Cytisine	485-35-8, partial nicotinic agonist, smoking cessation aid	Inquiry
Sparteine	492-08-0, class Ia antiarrhythmic, chiral base	Inquiry
Theophylline	58-55-9, bronchodilator, PDE inhibitor	Inquiry
Cordycepin	73-03-0, adenosine analog, anti-aging research	Inquiry
Indole	120-72-9, fragrance & intermediate	Inquiry

Also available: Tropine, Scopolamine, Atropine methyl nitrate, Rutaecarpine, Diindolylmethane.

Pharmacological Mechanisms of Key Alkaloids

Huperzine A & Cognitive Enhancement

Tetrandrine & Cepharanthine: Anti-inflammatory Pathways

Vinpocetine & Cerebral Blood Flow

Huperzine A — Reversible Acetylcholinesterase Inhibitor

Derived from Huperzia serrata, Huperzine A crosses the blood-brain barrier and selectively inhibits acetylcholinesterase (AChE) with high affinity. It also protects against beta-amyloid-induced oxidative stress and NMDA receptor antagonism. These dual mechanisms support its use in cognitive health supplements for memory and focus.

Target	Effect	Potential Application
AChE	IC50 ~ 82 nM	Memory enhancement

Bisbenzylisoquinolines: Tetrandrine & Cepharanthine

Tetrandrine exhibits anti-inflammatory and anti-fibrotic effects by blocking NF-kB activation and suppressing TGF-beta signaling. Cepharanthine has gained attention for its antiviral activity and ability to inhibit P-glycoprotein, enhancing drug absorption. Both compounds are valuable research tools for inflammation and oncology.

Vinpocetine — Cerebral Vasodilation & Neuroprotection

Semi-synthetic derivative of vincamine, Vinpocetine selectively inhibits phosphodiesterase type 1 (PDE1), increasing cGMP levels and cerebral blood flow. It also blocks voltage-gated sodium channels, providing neuroprotection against ischemic injury. Used extensively in nootropic formulations and stroke recovery research.

Research & Application Success Stories

Case 1: Nutraceutical Memory Formula

Challenge: Develop a standardized extract blend with huperzine A for cognitive health.

Solution: Provided high-purity Huperzine A (>99% by HPLC) with low anhydrohuperzine content.

Result: Finished product achieved GRAS self-affirmation; 12-month stability data passed.

Case 2: Anti-Inflammatory Botanical Standard

Challenge: Need cepharanthine reference standard for QC of Stephania extract.

Solution: Supplied Cepharanthine (98.5% by HPLC) with comprehensive 2D NMR and MS data.

Result: Customer successfully validated their analytical method and launched standardized product.

Case 3: Oncology Research Screening

Challenge: Library of 50+ alkaloids for high-throughput screening against cancer cell lines.

Solution: Delivered custom set including vincristine, vinblastine, camptothecin, evodiamine, and tetrandrine.

Result: Publication-grade data; identified novel synergy between two alkaloids.

Why Choose Alfa Chemistry for Alkaloids?

Unmatched Chemical Diversity

Over 200 unique alkaloid structures, including rare and complex molecules from plant, fungal, and marine sources.

Certified Reference Quality

Each batch analyzed by HPLC/GC, NMR, and MS; purity >98% for most products. Full traceability and COA included.

Research & Regulatory Support

Our team assists with safety documentation, analytical method development, and custom packaging (mg to kg).

Worldwide Delivery

Fast shipping of small samples and bulk quantities; temperature-controlled options available for sensitive compounds.

Trusted by Supplement Manufacturers Worldwide

"Fast response, consistent quality across multiple batches of L-Glutamine and Vitamin D3. Highly recommended for contract manufacturers."

— Sophia L.,

Procurement Manager

"Alfa Chemistry's Zinc Bisglycinate solved our customer complaints about GI discomfort. The powder flows well, and the purity certificate gives us confidence."

— Emily R.,

Product Development Lead

"Their peptide range is exceptional. We used Fish Collagen Peptide in a beauty-from-within powder and saw excellent solubility and neutral taste."

— David M.,

Brand Owner

Frequently Asked Questions about Alkaloids

Are these alkaloids suitable for dietary supplement formulation?

Many alkaloids (e.g., huperzine A, vinpocetine, evodiamine) are used in supplements at controlled doses. However, some are strictly for research due to toxicity (e.g., colchicine, aconitine). We provide full safety documentation and recommend regulatory review before product development.

What is the typical purity of your alkaloid standards?

Most reference standards have purity ≥98% by HPLC. For rare compounds we offer from 95% to 99+%. Each product's COA states the exact purity.

Do you supply alkaloids in quantities larger than 1 gram?

Yes, we can scale up from milligram research samples to kilogram quantities for select alkaloids. Please inquire for bulk pricing and lead times.

How should I store alkaloids to maintain stability?

Most alkaloids are stable at -20°C or 4°C protected from light and moisture. Specific storage conditions are provided on the product label and COA.

Technical Resources

Whitepapers, formulation guides, and advanced studies.

The Science of Berberine: Can It Truly Aid Weight Loss?

Herbs & Botanical Extracts - Practical Guide for Supplement Makers

Request a Quote or Sample

For pricing, sample availability, or technical documentation — our alkaloid specialists are ready to assist.