Can Eating Seafood Protect The Heart? Scientists Reveal The Three Health Wonders Of Marine Peptides!
Aug 18, 2025
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Introduction
"Eating fish nourishes the brain and protects the heart" is a common saying among elders. But do you know that when the protein in seafood breaks down, it produces a magical substance - Marine peptides? Recent studies have confirmed that these tiny molecules not only have antioxidant and blood pressure-lowering effects, but also can provide a "protective armor" for the heart!
This article combines the "Preclinical and Clinical Studies on Antioxidative" published in the international authoritative journal "Marine Drugs", Review of Antihypertensive and Cardioprotective Effects of Marine Proteins and Peptides A: Data from 276 clinical trials and animal studies will help you unlock the hardcore health code of Marine peptides.
I. Anti-oxidation: Equip the body with a "rust inhibitor"
Experimental data support
<s:1> Normal protein in rats decreased by 30%, plasma antioxidant capacity increased by 25%.
Human trial: 276 overweight individuals who consumed fish collagen peptides continuously for 8 weeks saw a 5% reduction in oxidation products in their bodies and a 14% increase in antioxidant capacity.

Hunan Jiayi Fish Collagen Peptide takes science as its root and quality as its soul, transforming the outstanding efficacy of Marine peptides into accessible health solutions. From raw material traceability to production processes, from laboratory data to user feedback, every step is carried out to fulfill the mission of "making health simpler". Choosing Jiayi means choosing a commitment to beauty and health that stands the test of time.
Ms. Li, 45 years old, personally consumed Jiayi Tilapia Collagen Peptides:
Before, I only knew that eating fish could supplement Omega-3. Now I understand that the protein in fish meat, after being broken down, can also act like a "cleaner", eliminating free radicals in the body. I have been taking 10g of pure fish collagen peptides every day for 8 consecutive weeks, and even my skin feels more radiant!
Note: Ms. Li consumed pure fish peptides. If she is not suitable for pure fish peptides, she can consume food or capsules with a net content of about 10g of fish collagen peptides.
Ii. Lowering Blood Pressure: A Natural "Vascular Relaxant"
Experimental data support
Animal experiments: Tilapia peptides reduced the blood pressure of hypertensive rats by 20mmHg, with an effect comparable to that of the antihypertensive drug captopril. Jellyfish hydrolysate significantly lowered blood pressure within one hour in acute experiments.
Human trials: Patients with mild hypertension who consumed a beverage containing 1 gram of salmon peptide daily experienced a reduction of 5mmHg in systolic blood pressure after 4 weeks. However, in another study, there was no change in blood pressure among healthy people after supplementing with fish protein.

Hunan Jiayi is dedicated to the in-depth development of fish collagen peptides. Compared with the common fish protein mentioned in the research, the peptides of Jiayi products are shorter and the absorption rate is increased by more than three times. The "chelating pro-oxidation metal" mechanism discovered in its unique triple helix structure simulation research can more efficiently eliminate free radicals, achieving a synergistic effect of "antioxidation - vascular protection - blood pressure stabilization".
User feedback -Mark, 58 years old (with hypertension for many years) :
Under the doctor's guidance, I took 8g of Jiayi Peptide and medication daily for four consecutive weeks, and my blood pressure became more stable. However, the doctor said that the effect varies from person to person and suggested consulting a doctor first.
Iii. Heart Protection: The Secret to Reducing Arterial Plaques
Experimental data support
Atherosclerosis: After consuming cod scallops, apolipoprotein E-deficient mice saw a 24% reduction in arterial plaques and a 19% decrease in the expression of inflammatory genes.
Lipid improvement: Some human trials have shown that a lean fish diet can reduce triglycerides by 15%, lower LDL cholesterol by 12%, and increase the HDL/LDL ratio by 20%.

Hunan Jiayi fish collagen Peptide is rich in glycine-proline-hydroxyproline (GPH) tripeptide, which can inhibit the process of atherosclerosis and increase the average cardiovascular health score of users by 1.8 times.
Mr. Lin, 26 years old:
After a physical examination, it was found that my cholesterol level was high. I started taking cod protein peptide capsules every day. Three months later, when I had a follow-up visit, the doctor praised me for having my indicators well controlled!"

Iv. How to Scientifically Supplement Marine Peptides?
1. Prefer small molecule collagen peptides: cod, tilapia, sardines, salmon, shrimp, etc. (Avoid deep-frying or heavy cooking).
2. Recommended daily intake:
Ordinary adults: Take 1-2 times a day, 5-10 grams each time;
For people with hypertension/hyperlipidemia: You can consult a doctor and take fish protein peptide capsules or fish collagen peptide powder (15-20g per day).
Conclusion
Rather than blindly pursuing expensive health supplements, it's better to start from our daily dining table and diet - after all, nature has already prepared this "blue prescription" for us. The next time you enjoy seafood, why not show more respect? What you eat might not only be delicious food, but also a healthy future.
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