Bulk Liquid Glycerol
99% Pure Ingredient for Pre Workout Pump, Wholesale price, Kosher, Halal, FDA-approved
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What is Liquid Glycerol?
Liquid glycerol (CAS 56-81-5), also known as glycerin, glycerine or 1,2,3-propanetriol (C₃H₈O₃; MW 92.09 g/mol), is a clear, colorless, syrupy liquid with a sweet taste, widely sourced from botanical feedstocks such as soybean, palm and rapeseed oils. Provita Biotech is the leading bulk liquid glycerol supplier in China, offering a pharmaceutical-grade 99% (HPLC) product with excellent bioavailability for nutritional, cosmetic and pre-workout applications. Packaged in 250 kg FDA-approved HDPE drums, our liquid glycerol is complemented by powdered glycerol raw ingredients and full OEM capabilities for capsules, tablets and custom formulations.
Liquid Glycerol VS Glycerol Powder
Liquid glycerol delivers rapid absorption, high osmotic effect and superior humectant properties for pre-workout, cosmetic and liquid formulations. It is widely known as a key ingredient in pre-workout supplements because it enhances muscle pumps, hydration and endurance. Powdered glycerol can pose significant formulation challenges. High doses can cause a gritty texture, poor mixability and require stabilizers to remain functional. Most powdered glycerol in pre-workout products is only about 65 percent active glycerol. In contrast our liquid glycerol contains 100 percent active glycerol for maximum effectiveness. It provides a smooth, easily mixable solution that allows optimal dosing to maximize performance, pumps and hydration without compromising quality. Choose liquid glycerol when you need instant bioavailability, intense muscle pumps and unmatched convenience. Choose glycerol powder when you need shelf-stable, free-flowing material for dry mixes or encapsulated products.
| Attribute | Liquid Glycerol | Glycerol Powder |
|---|---|---|
| CAS Number | 56-81-5 | 56-81-5 |
| Other Names | glycerin; glycerine; 1,2,3-propanetriol | glycerin; glycerine; 1,2,3-propanetriol |
| Molecular Formula | C₃H₈O₃ | C₃H₈O₃ |
| Molecular Weight | 92.09 g/mol | 92.09 g/mol |
| Appearance | clear, colorless, syrupy liquid | white to off-white free-flowing powder |
| Food Sources | soybean oil; palm oil; rapeseed oil | same as liquid, then spray-dried or microencapsulated |
| Specifications | 99 % (HPLC); FCC; USP | 99 % (HPLC); FCC; USP |
| Purity | ≥ 99 % | ≥ 99 % |
| Bioavailability | immediate absorption; high osmotic effect | requires dissolution; moderate absorption rate |
| Potency | full potency per mL | full potency per g |
| Dosage | typically 1–2 g (1–2 mL) pre-workout | typically 1–2 g measured by weight |
| Half-Time | ~ 1–2 hours in plasma | ~ 1–2 hours once dissolved |
| Stability & Storage | moisture-sensitive; requires sealed drums; liquid storage | low hygroscopicity with carriers; room-temperature stable |
| Form & Handling | clear syrup; viscous liquid; pourable; hygroscopic liquid | free-flowing powder; granular; spray-dried; microencapsulated |
| Function & Benefits | humectant; solvent; osmolyte; rapid absorption; moisture retention | excipient; bulking agent; flow aid; shelf-stable carrier; compressibility |
| Performance | high viscosity; density; osmotic effect; muscle-pump enhancer | bulk density; particle size; dispersibility; solubility rate |
| Applications | pre-workout; sports nutrition; cosmetics; food & pharma liquids | capsule/tablet fills; powdered blends; dry mixes; encapsulation |
| Packaging & Formats | 250 kg HDPE drums; IBC totes; bulk tanker | 10–25 kg bags; lined drums with desiccant inserts; carrier systems (maltodextrin, colloidal silica) |
| OEM & Formulation Services | liquid syrups; capsules; tablets; powders | liquid syrups; capsules; tablets; powders |
| Popularity | top choice for liquid supplements and cosmetics | favored for capsules, tablets and dry blends |
| Pricing | lower per-kg cost in bulk drums | slightly higher due to spray-drying or carrier systems |
| Supplier | Provita Biotech, China – leading bulk liquid glycerol supplier; also offers powdered glycerol and OEM capsules, tablets & custom formulations |
Liquid Glycerol Certificate of Analysis(COA)
ProVita Biotech’s Certificate of Analysis for bulk Liquid Glycerol 99% shows an assay purity of 99.6% (USP 2024 spec 99.0–101.0%), non-detectable residual solvents (diethylene glycol & ethylene glycol ≤ 0.10%), heavy metals within stringent USP limits, water content ≤ 0.11% and residue on ignition at 0.002%. This high-purity glycerol is packed in 250 kg FDA-approved HDPE drums under inert atmosphere and meets GMP, FCC, FDA, Kosher and Halal standards. Independent third-party testing verifies full compliance with international benchmarks, reflecting ProVita Biotech’s commitment to quality and safety for supplement manufacturers and distributors.
Application
Pre-Workout
Liquid glycerol enhances muscle pumps and workout intensity by drawing water into muscle cells, improving cell volumization and nutrient delivery. Its rapid absorption makes it an ideal pre-workout supplement for explosive strength and peak performance.
Endurance
As a potent osmolyte, liquid glycerol helps maintain blood volume and electrolyte balance during prolonged exercise. Supplementing with liquid glycerol supports sustained energy output and delays fatigue in endurance sports.
Hydration
Liquid glycerol’s humectant properties boost whole-body hydration by retaining fluid in tissues and slowing water loss. It’s a top choice for hydration formulas, ensuring rapid, long-lasting fluid balance without gastrointestinal discomfort.
Liquid Glycerol Manufacturing Process
Provita Biotech uses a streamlined, eight-step process to produce high-purity Liquid Glycerol 99% for bulk supply and OEM applications. Each stage is designed for maximum yield, purity and consistency—perfect for nutritional, cosmetic and pharmaceutical uses.
Raw Material & Feedstock Preparation
Vegetable oils or animal fats (soybean, palm, rapeseed, tallow) are blended with methanol and an alkaline catalyst (NaOH or KOH). An alternative route uses propylene oxide plus chlorine to make epichlorohydrin, then hydrolyzes to glycerol.Transesterification / Hydrolysis
The triglyceride feed is heated to 60–70 °C with methanol and catalyst. This reaction yields fatty acid methyl esters (biodiesel) and crude glycerol.Phase Separation & Washing
Biodiesel and crude glycerol are separated by gravity or centrifuge. The glycerol phase is washed with water or vacuum-stripped to remove residual methanol and catalyst.Acid-Base Neutralization
Crude glycerol is acidified (HCl) to convert soaps back to free fatty acids, then washed with base to eliminate inorganic salts and leftover catalyst.Demineralization & Decolorization
The glycerol passes through cation and anion ion-exchange columns to strip salts and trace metals. Activated carbon treatment removes color bodies and odors.Vacuum Distillation (Purification)
Using thin-film or multi-stage distillation at 5–20 mbar and 180–200 °C, water and light volatiles are driven off to deliver colorless, odorless glycerol at ≥ 99% purity.Final Polish & Quality Assurance
Vacuum degassing removes dissolved gases. Microfiltration (0.2–1 µm) clears particulates. Each batch undergoes GC or HPLC purity testing, Karl Fischer water analysis (≤ 0.2%), plus checks for acid value, saponification value, heavy metals and microbial load.Bulk Storage & Packaging
Finished glycerol is stored in stainless steel tanks under inert atmosphere, then filled into 250 kg FDA-approved HDPE drums or 1 m³ IBC totes. Ready stock and free samples are available for B2B clients.
Liquid Glycerol Benefits
- Rapid Absorption: Liquid glycerol is quickly absorbed, enhancing pre-workout performance and nutrient uptake.
- Powerful Muscle Pumps: As an osmolyte, liquid glycerol draws water into muscle cells for fuller, harder pumps.
- Endurance Support: Maintains blood volume and delays fatigue, boosting stamina during prolonged exercise.
- Superior Hydration: Acts as a humectant to retain fluids, supporting rapid and sustained hydration.
- Smooth Mixability: 100% active glycerol blends easily without grittiness or need for stabilizers.
- High Purity: Provita Biotech’s 99% HPLC-grade liquid glycerol guarantees consistent quality and potency.
- Versatile Applications: Ideal for pre-workout supplements, sports nutrition beverages, cosmetic serums and OEM formulations.
Where to buy bulk Liquid Glycerol?
ProVita Biotech Co., Ltd. is your trusted China factory and supplier of high-quality bulk Liquid Glycerol 99%. As a leading ingredient supplier, we offer competitive wholesale Liquid Glycerol prices and turnkey OEM solutions.
- Factory Direct Supply: Guaranteed purity from our GMP-certified production lines in China.
- Bulk & Wholesale: Flexible MOQ, 250 kg drums or IBC totes, ready stock for fast delivery.
- Free Sample: Try our 99 % HPLC Liquid Glycerol at no cost before you order.
- Third-Party Testing: All batches tested by accredited labs for purity, heavy metals and microbial limits.
- Certifications: Kosher, Halal, ISO, FDA, FCC and other international compliance certificates.
- OEM & Custom Blending: Private-label packaging, custom formulations for pre-workout, sports nutrition and cosmetic applications.
Contact ProVita Biotech today to get a free sample and quotation for bulk Liquid Glycerol from the top China supplier.
FAQs
Liquid glycerol delivers 100 percent active 1,2,3-propanetriol with no carriers or stabilizers, ensuring maximum potency and seamless mixability. Powdered glycerin is often spray-dried with 30–40 percent carriers, which reduces active content and can impair blend consistency.
Liquid glycerol offers instant absorption, superior osmotic effect and smooth texture in beverages and pre-workout blends. Powdered glycerine excels in dry formulations, but requires higher dosages, stabilizers and can lead to gritty mouthfeel.
As a powerful osmolyte, glycerol draws water into muscle cells for fuller pumps, supports hydration under heavy load and helps delay fatigue during intense workouts.
Yes. Glycerol, glycerin and glycerine all refer to the same tri-hydric alcohol (C₃H₈O₃). We use these terms interchangeably in specifications and labels.
Absolutely. Clinical studies show that pure liquid glycerol raises plasma volume, improves cellular hydration and enhances endurance when dosed properly.
Yes. By increasing intracellular water retention, liquid glycerol amplifies muscle volumization, producing a pronounced “pump” effect.
Indirectly. While glycerol does not stimulate muscle protein synthesis, improved hydration and nutrient delivery can support recovery and performance gains over time.
Yes. Combining liquid glycerol with creatine in a pre-workout formula can synergize osmotic and phosphagen pathways for enhanced cell volumization and power output.
We refine crude glycerol via acid-base neutralization, ion-exchange demineralization, activated-carbon decolorization and multi-stage vacuum distillation to achieve ≥ 99 percent purity (HPLC).
Tiered pricing applies to 250 kg drums, IBC totes and ISO-tank volumes. Contact us for a tailored quotation based on annual volume and packaging format.
Yes. ProVita Biotech supports custom formulations, private-label packaging in drums, pails or bottled formats, and turnkey capsule or tablet production.
Our liquid glycerol is produced under GMP and carries ISO 9001, Kosher, Halal, FDA, FCC and third-party lab reports on request.
Yes. We can arrange independent analysis for heavy metals, microbial limits, water content (Karl Fischer) and HPLC purity.
We pack in FDA-approved 250 kg HDPE drums, 1 m³ IBC totes or bulk tankers. Storage under inert atmosphere in stainless-steel tanks is recommended for optimal shelf life.
Certainly. As a top China supplier, ProVita Biotech offers both liquid and spray-dried powder formats with consistent quality and full OEM support.