# Porcine Blood Plasma Protein (Sus scrofa domesticus)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/porcine-blood-plasma-protein
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-25
**Evidence Score:** 2 / 10
**Category:** Protein
**Also Known As:** Sus scrofa domesticus blood plasma, SDPP, Spray-dried porcine plasma, Pig blood plasma protein, Swine plasma protein, Porcine immunoglobulin concentrate

## Overview

Porcine blood plasma protein is a concentrated fraction of spray-dried pig blood containing immunoglobulins (IgG, IgA, IgM) and albumin that modulate intestinal immune responses. Its primary mechanism involves upregulating the [anti-inflammatory](/ingredients/condition/inflammation) cytokine TGF-β1 while suppressing pro-inflammatory TNF-α in intestinal mucosa, supporting [gut barrier](/ingredients/condition/gut-health) integrity.

## Health Benefits

• Gut integrity support - Animal studies show upregulation of [anti-inflammatory](/ingredients/condition/inflammation) TGF-β1 and downregulation of TNFα in intestinal mucosa (preliminary evidence from piglet trials)
• Enhanced nutrient absorption - Piglet studies demonstrated 30% improvement in feed efficiency and 54% increase in weight gain (n=90, preliminary evidence)
• [Immune modulation](/ingredients/condition/immune-support) - Contains immunoglobulins including IgM (~970 kDa) that may support immune function (preliminary evidence, no human trials)
• Antimicrobial activity - Broiler studies showed reduced E. coli and lower gut lesion scores (preliminary evidence)
• Wound healing potential - In vitro studies show low cytotoxicity and support for cell proliferation/migration (preliminary evidence only)

## Mechanism of Action

Porcine blood plasma protein delivers intact immunoglobulins—primarily IgG—that bind and neutralize luminal pathogens and antigens, reducing the antigen load reaching intestinal epithelial cells. This binding reduces [NF-κB](/ingredients/condition/inflammation) activation, which in turn decreases downstream TNF-α production while simultaneously upregulating TGF-β1 signaling through SMAD2/3 pathways, promoting epithelial tight-junction protein expression including claudin-1 and occludin. The albumin fraction further contributes by acting as a carrier for fatty acids and bioactive lipids that fuel enterocyte [metabolism](/ingredients/condition/weight-management) and support mucosal repair.

## Clinical Summary

The majority of available evidence comes from controlled piglet trials rather than human clinical studies, limiting direct translation of findings. In weaned piglet models, oral supplementation with spray-dried porcine plasma at doses of approximately 6–8% of diet demonstrated a 54% increase in weight gain and a 30% improvement in feed efficiency compared to non-supplemented controls, alongside measurable upregulation of intestinal TGF-β1 and downregulation of TNF-α in mucosal biopsies. A small number of human in vitro and rodent studies support immunoglobulin-mediated [anti-inflammatory](/ingredients/condition/inflammation) effects in the gut, but large-scale randomized controlled trials in humans are currently absent. The overall evidence base is preliminary and primarily applicable to neonatal or post-weaning gut stress scenarios rather than healthy adult populations.

## Nutritional Profile

Porcine blood plasma protein is a highly concentrated protein source, typically containing 70–78% crude protein on a dry matter basis, with low fat content (<1%) and minimal carbohydrates (<1%). The amino acid profile is moderately balanced but notably rich in glutamic acid (~12–14% of total amino acids), aspartic acid (~8–10%), lysine (~6–8%), and leucine (~7–9%), though it is relatively low in methionine (~1.5–2%) and isoleucine (~3–4%) compared to ideal protein standards. Digestibility is high, with protein digestibility-corrected amino acid score (PDCAAS) values reported in the range of 0.85–1.0 in monogastric species. Key bioactive fractions include immunoglobulins (IgG, IgM, IgA; collectively comprising ~25–30% of total protein), albumin (~50–60% of total protein), fibrinogen (~4–7%), and alpha/beta globulins. IgM concentration is approximately 970 mg per 100g dry weight based on preliminary reports. Albumin contributes to colloid osmotic pressure and serves as a carrier protein for fatty acids and minerals. Micronutrient content includes measurable iron (~3–6 mg/100g), zinc (~1–2 mg/100g), sodium (~500–900 mg/100g, notably elevated due to processing), and trace phosphorus. Bioavailability of protein fractions is generally high in spray-dried form due to minimal heat denaturation during processing; however, excessive heat during manufacturing can reduce immunoglobulin biological activity. No dietary fiber is present. Fat-soluble and water-soluble vitamin content is negligible.

## Dosage & Preparation

Animal studies used 4-5% SDPP in feed for piglets and mice over 14-42 days. No human dosages have been established, and no standardization exists for immunoglobulin content. Forms include spray-dried powder only. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Individuals with pork or porcine product allergies should avoid porcine blood plasma protein due to the risk of IgE-mediated allergic reactions, including anaphylaxis in sensitized individuals. Religious or dietary restrictions (halal, kosher, vegan) are a practical contraindication, as the product is derived from slaughtered pig blood. No well-documented drug interactions have been established in published literature, though theoretical concern exists around concurrent use with immunosuppressants given its [immunomodulatory](/ingredients/condition/immune-support) IgG content. Safety data in pregnant or lactating women is absent, and use during pregnancy should be avoided until human safety studies are conducted.

## Scientific Research

No human clinical trials have been conducted on porcine blood plasma protein supplementation. All available research consists of animal studies, including a piglet trial (n=90) showing improved feed efficiency with 5% SDPP supplementation, broiler chicken studies (n=624) demonstrating reduced mortality, and mouse studies (PMID: 7883628) showing enhanced gain:feed ratio with 4% SDPP.

## Historical & Cultural Context

No traditional medicinal use in human systems (Ayurveda, TCM, etc.) has been identified. Porcine blood plasma protein is a modern animal feed supplement developed from industrial pork processing, with research beginning in the 1990s for nursery pigs and later expanding to poultry.

## Synergistic Combinations

Probiotics, L-glutamine, Colostrum, Zinc carnosine, [Digestive enzyme](/ingredients/condition/gut-health)s

## Frequently Asked Questions

### What is porcine blood plasma protein made from?

Porcine blood plasma protein is produced by collecting blood from slaughtered pigs (Sus scrofa domesticus), separating the plasma fraction via centrifugation, and spray-drying it into a powder. The resulting product is concentrated in immunoglobulins (IgG, IgA, IgM) and albumin, with immunoglobulins typically comprising 20–25% of the final dry weight.

### Can porcine blood plasma protein improve gut health in humans?

Direct human clinical evidence is currently lacking; existing gut health data comes primarily from weaned piglet trials where supplementation reduced intestinal TNF-α and increased TGF-β1, markers associated with reduced gut inflammation and improved mucosal integrity. While the immunoglobulin mechanism is biologically plausible in humans, clinical trials in adult or pediatric human populations have not yet been published to confirm these effects.

### What is the typical dosage of porcine blood plasma protein used in studies?

In piglet research, porcine plasma has been supplemented at levels of approximately 6–8% of total dietary intake, which translates to several grams per kilogram of body weight daily in neonatal animals. Human dosage guidelines do not yet exist due to the absence of human clinical trials, and current commercial supplement dosages are largely extrapolated from animal data without validated human equivalents.

### Is porcine blood plasma protein safe for people with pork allergies?

No—individuals with confirmed pork or porcine protein allergies should strictly avoid porcine blood plasma protein, as it contains intact porcine immunoglobulins and albumin capable of triggering IgE-mediated hypersensitivity reactions. Reactions can range from gastrointestinal symptoms to systemic anaphylaxis in highly sensitized individuals, and there is no documented hypoallergenic form of this ingredient.

### How does porcine blood plasma protein differ from whey protein for gut support?

Unlike whey protein, which primarily provides branched-chain amino acids (leucine, isoleucine, valine) and lactoferrin to support muscle synthesis and non-specific gut barrier nutrition, porcine blood plasma protein delivers functional immunoglobulins (especially IgG) that actively bind luminal antigens and pathogens, reducing inflammatory signaling via NF-κB and TNF-α suppression. Whey's gut benefits are largely trophic and amino acid-driven, whereas porcine plasma exerts a more targeted immunomodulatory effect at the mucosal immune level.

### What is the evidence quality for porcine blood plasma protein's effects on immune function in humans?

Current evidence for porcine blood plasma protein's immune benefits comes primarily from animal studies in piglets, which showed immunoglobulin content (including IgM ~970 mg/100g) and immune modulation effects. Human clinical trials are limited, making it difficult to establish definitive efficacy in people; most available data are preliminary or from controlled animal models rather than randomized controlled trials in humans. The immunoglobulin content is theoretically relevant for immune support, but direct translation to human outcomes requires further research.

### Who is most likely to benefit from porcine blood plasma protein supplementation?

Individuals with compromised gut barrier function, poor nutrient absorption, or those seeking immune support may be candidates, though evidence is strongest in piglet models rather than human populations. Athletes or those with high protein demands might consider it for its amino acid profile, though whey and plant-based proteins have stronger human evidence. People with inflammatory bowel conditions or post-gastrointestinal distress may theoretically benefit from its purported anti-inflammatory properties (upregulation of TGF-β1), but clinical validation in humans is needed.

### How does porcine blood plasma protein absorption compare to other animal-derived proteins?

Porcine blood plasma protein contains intact immunoglobulins and bioactive peptides that may be more sensitive to stomach acid and digestive enzymes compared to denatured whey protein, potentially affecting bioavailability. The presence of IgM and other immunoglobulins means some protein may be absorbed intact in the small intestine rather than fully hydrolyzed, which differs mechanistically from collagen or gelatin supplements. Bioavailability studies comparing porcine plasma protein directly to other animal proteins in humans are currently lacking, limiting definitive conclusions about relative absorption rates.

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*Source: Hermetica Superfoods Ingredient Encyclopedia — https://ingredients.hermeticasuperfoods.com*
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