Oyster Peptide Powder
Oyster Peptide Powder Manufacturers
Kintainutri® specializes in the R&D and production of marine bioactive peptides, meticulously selecting fresh deep-sea oysters as raw material to refine high-purity oyster peptide powder (90%–99%). Rich in zinc, selenium, taurine, and various amino acids, our product features a low molecular weight, excellent water solubility, and high bioavailability, making it widely applicable in fields such as men's health, functional foods, and nutritional supplements.As a direct manufacturer, we offer stable production capacity, rigorous quality control, and flexible customization services, empowering global B2B clients to develop differentiated, premium health products.
| Product Name | Source | Best-selling Specifications |
|---|---|---|
| Oyster Peptide Powder | Pacific Oyster (Crassostrea gigas) | 90% |
| 95% | ||
| 98% | ||
| 99% |
Oyster Peptide Powder Specification
| Items | Standard | Test Method |
|---|---|---|
| Appearance | Pale Yellow To Off-White Powder | Visual |
| Particle Size | ≥95% through 80 mesh | Screening |
| Residue on Ignition | ≤5g/100g | 3g/550°C/4hrs |
| Loss on Drying | ≤5g/100g | 3g/105°C/2hrs |
| Assay | ≥60% | HPLC |
| Heavy Metals | ≤10mg/kg | |
| Lead (Pb) | ≤3mg/kg | ICP-MS |
| Arsenic (As) | ≤2mg/kg | ICP-MS |
| Cadmium (Cd) | ≤1mg/kg | ICP-MS |
| Mercury (Hg) | ≤0.5mg/kg | ICP-MS |
| Total Plate Count | ≤1000cfu/g | AOAC |
| Total Yeast & Mold | ≤100cfu/g | AOAC |
| E.Coli | Negative | AOAC |
| Salmonella | Negative | AOAC |
| S.aureus | Negative | AOAC |
| Conclusion | Conform to standard | |
| Shelf Life | Two years when properly stored | |
| Storage | Store in a cool, dry place away from moisture, light |
How To Make Oyster Peptide Powder?

Oyster Peptide Powder Benefits
Oyster peptide benefits for women
Oyster peptides hold potential benefits for protecting female ovarian function.In a mouse model of premature ovarian insufficiency, oyster polypeptides were shown to restore irregular physiological cycles, regulate key reproductive hormones such as follicle-stimulating hormone (FSH), luteinizing hormone (LH), and progesterone to normal levels, and promote follicular development while reducing the incidence of abnormal follicles.
The underlying mechanism of action is primarily associated with enhancing the ovary’s antioxidant capacity. These peptides have been shown to increase superoxide dismutase (SOD) activity, reduce levels of malondialdehyde (MDA), a marker of oxidative damage, and simultaneously decrease apoptosis in ovarian granulosa cells. These findings suggest that Kintainutri®’s oyster peptides may possess significant research value in terms of helping to prevent or alleviate premature ovarian insufficiency and supporting female reproductive health.
Oyster peptide benefits for male
Oyster peptide benefits for male erectile dysfunction
Oyster Peptide has demonstrated significant potential benefits for male erectile function and overall sexual health. Low-molecular-weight oyster peptides have been shown to enhance mating performance, increase gonadal weight, and improve sperm quality in male mice. They may also elevate serum cholesterol and sex hormone levels while promoting nitric oxide (NO) production in penile tissue, thereby supporting the expression of genes associated with sexual function.
In addition, oyster hydrolysates may help alleviate erectile dysfunction (ED). Proposed mechanisms include stimulating luteinizing hormone synthesis to promote testosterone production and enhancing NO levels through the NO-cGMP signaling pathway. Some studies have also suggested that oyster extracts may exhibit inhibitory activity against phosphodiesterase type 5 (PDE5), a mechanism similar to that of commonly used ED medications, indicating their potential as a natural and safe alternative for supporting male sexual wellness.
Oyster extract for testosterone
1. Reducing Intracellular Reactive Oxygen Species (ROS) Levels and Alleviating Oxidative Stress
Cellular oxidative stress inhibits the expression of key proteins within the testosterone synthesis pathway, thereby hindering testosterone production. A study utilizing AAPH to induce an oxidative stress model in mouse testicular interstitial cells (TM3) revealed that, following treatment with oyster dipeptides (RI, IR, and VR), intracellular ROS levels decreased significantly. This indicates that oyster peptide powder exert their effects by directly scavenging excess ROS or reducing their generation, rather than by relying on the enhancement of antioxidant enzyme activity. This mechanism holds significant importance for protecting male reproductive cells against oxidative damage and effectively inhibiting oxidative stress-induced apoptosis.
2. Restoring the Expression of Key Enzymes in the Testosterone Synthesis Pathway
Under conditions of oxidative stress, the expression of key enzymes within the testosterone synthesis pathway in TM3 cells declines. Following intervention with oyster peptides, the expression levels of these proteins recovered to varying degrees; notably, the VR dipeptide treatment group demonstrated the most significant effect, exhibiting a strict dose-dependent relationship. This suggests that oyster peptides restore the cells' capacity to synthesize testosterone by counteracting the inhibitory effects of oxidative stress on enzyme expression. Kintainutri®'s oyster peptide powder thus holds potential as a therapeutic agent for modulating cellular oxidative stress and, consequently, regulating testosterone synthesis.
3. Promoting Testosterone Secretion in a Dose-Dependent Manner
Measurements of testosterone levels in the cell culture supernatant revealed that AAPH-induced oxidative stress resulted in a significant decline in testosterone secretion. Oyster peptide, however, were able to reverse this downward trend to varying degrees. Although the observed increase in testosterone levels did not reach statistical significance when compared to the AAPH-treated control group, the elevation in testosterone levels correlated positively with the dosage of the dipeptides, demonstrating a clear dose-dependent effect. This result directly substantiates the potential of oyster peptides to promote testosterone production at the cellular level, thereby providing a scientific basis for the development of functional foods aimed at supporting male health.

source: https://www.mdpi.com/1660-3397/19/10/566
Oyster Peptide Powder Supplement
Oyster peptide powder are small-molecule active peptides derived from fresh oysters through modern enzymatic hydrolysis technology, they are characterized by their low molecular weight, rapid absorption, and high bioavailability. Compared to traditional oyster powders or extracts, oyster peptides can be directly absorbed and utilized by the human body without undergoing complex digestive breakdown.

Scientific studies indicate that oyster peptides hold significant potential for supporting male sexual function, improving sperm quality, and boosting testosterone levels; Furthermore, their antioxidant properties may help alleviate fatigue and support physical stamina. As a marine bioresource with significant developmental potential and promising market prospects, Oyster Peptide, particularly in oyster peptide dietary supplement or oyster peptide capsules applications, warrants further research and broader commercial development.
Oyster Peptide Powder Dosage
In commercial formulations, the typical effective daily dosage of oyster peptides ranges from 500 to 2,000 mg. We recommend determining the optimal dosage within this range based on the target demographic (e.g., general wellness vs. specific functional support). For general nutritional support, the recommended dosage is 500–1,000 mg/day, for male health and vitality support, the recommended dosage is 1,000–2,000 mg/day.
Oyster Peptide Powder Side Effects
Oyster peptide are generally considered safe, as a marine-derived protein ingredient, they are widely utilized in dietary supplements and functional nutritional products. However, individuals with shellfish allergies should avoid oyster peptide products, as they may trigger allergic reactions. Potential symptoms include skin irritation, itching, swelling, and digestive discomfort.
It is advisable for the following individuals to consult a healthcare professional before using oyster peptide supplements:pregnant or nursing women, individuals with seafood allergies , people with underlying medical conditions , individuals taking prescription medications.
Where To Buy Oyster Peptide Powder?
As awareness of and demand for health-promoting functional foods continue to rise, Oyster Peptide, a high-value marine bioresource, is poised to play a pivotal role in both the food industry and the dietary supplement sector. Kintainutri® specializes in the R&D and large-scale production of oyster peptides, achieving purity levels ranging from 90% to 99%. Animal studies have validated the efficacy of our active ingredients in supporting reproductive health, thereby enabling the targeted development of anti-aging and reproductive wellness products. We offer a fully traceable supply chain, comprehensive third-party testing reports, and OEM support to meet the rigorous quality standards of international brands and contract manufacturers. If you are interested in sourcing these products, please do not hesitate to contact us.
*Kintainutri® Promise All Products: Non-Irradiated / Non-ETO/ Treat by Heat Only / Non-GMO
FAQ
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Does oyster peptide powder contain zinc and taurine?
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Does oyster peptide powder increase testosterone?
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