💎 Key Nutrients
What Is Pork, Fresh, Composite of Trimmed Retail Cuts? Origin and Varieties
Pork, fresh, composite of trimmed retail cuts from the loin and shoulder blade represents some of the leaner, more versatile cuts of pork available in retail markets. Historically, pork has been a staple in many agrarian and rural diets worldwide due to the adaptability of the pig as a livestock animal. Unlike poultry or beef, pigs convert feed into muscle tissue efficiently and mature quickly, making pork a cost‑effective protein source. The products in this category are derived from the primal cuts of pork — particularly the loin, which runs along the back and is known for being tender and mild in flavor, and the shoulder blade, which provides slightly more connective tissue and depth of taste. These primal sections are separated from the carcass during butchery and can be further trimmed to remove excess fat, resulting in the “separable lean only” designation that indicates minimal visible fat on the cut. USDA butcher guides describe the basic pork cuts including shoulder, loin, side, and leg, each with sub‑cuts used in different culinary traditions and preparations (e.g., chops, roasts). Pork consumption dates back thousands of years and has cultural significance across Europe, Asia, and the Americas. In traditional Chinese cuisine, pork has been prized for its balance of flavor and texture, while in Western cuisine, pork loin roasts and tenderloins are often centerpiece dishes in festive meals. The modern lean pork cuts, such as those represented by this composite raw product, align with contemporary dietary trends emphasizing lean protein and lower fat across balanced diets. Today’s production systems and consumer demand have further refined these cuts to maximize lean muscle and maintain nutrient density. Fresh lean pork like this is usually sold chilled and raw in grocery meat sections, and because it is a fresh meat product with minimal processing, it must be handled with food safety in mind to prevent spoilage and foodborne illness. Compared with processed pork products like bacon or sausage, fresh lean cuts contain fewer additives and lower sodium, which can be relevant to individuals seeking less processed food choices.
Nutrition Profile: A Detailed Breakdown
The nutrition profile of raw lean trimmed pork loin and shoulder reveals a nutrient‑dense food with a strong emphasis on high‑quality protein and essential micronutrients. With 144 kcal per 100 g, it provides a sizable protein contribution — 21.23 g — that delivers all essential amino acids vital for tissue repair and muscle maintenance. This meat also offers 5.88 g of total fat, of which 2.03 g is saturated fat, and provides energy while contributing to fat‑soluble nutrient availability. Notably, lean pork has zero carbohydrates and zero fiber, making it compatible with low‑carbohydrate and ketogenic dietary patterns. Among micronutrients, lean pork is particularly rich in selenium (32.4 µg), a trace mineral that plays a critical role in antioxidant defense systems and thyroid hormone metabolism. Selenium also supports immune function and may impact inflammation control. Additionally, thiamin (0.98 mg) — a B‑vitamin essential for carbohydrate metabolism and nerve function — is abundant compared to many plant foods. Others in the B‑vitamin group such as riboflavin (0.272 mg), niacin (4.825 mg), vitamin B6 (0.51 mg), and vitamin B12 (0.66 µg) support energy metabolism and red blood cell formation. Minerals like iron (0.88 mg) and zinc (1.99 mg) are also present, with zinc notably involved in immune health, DNA synthesis, and wound healing. The potassium content (384 mg) supports electrolyte balance and cardiovascular health. Comparing lean pork with other common meats, lean pork provides protein levels similar to chicken breast and beef sirloin but often delivers higher amounts of certain B‑vitamins. Its absence of carbohydrates distinguishes it from plant‑based foods like legumes or grains, where macronutrient distributions favor carbohydrates. Thus, within animal proteins, lean pork stands out as a nutrient‑rich option that supports muscle mass without excessive saturated fat when trimmed appropriately.
Evidence-Based Health Benefits
Although the body of high‑quality clinical trials specific to lean pork intake and disease outcomes is limited, a scoping review of 86 studies on pork consumption reveals several consistent themes about nutrient contributions and overall diet quality. Pork is a frequent source of high‑biological‑value protein and provides micronutrients that often fall short in Western diets, including selenium, zinc, iron, choline, thiamin, and B‑vitamins — nutrients linked to important physiological functions such as metabolic energy production, cognitive function, and immune response (scoping review). Observational data from the NHANES 2007–2018 analysis suggests that when fresh pork is included as part of overall dietary patterns, it contributes meaningfully to total energy and nutrient intake, including essential micronutrients, without significantly altering blood biomarkers of nutritional status. While processed pork often co‑consumed with high‑sodium condiments can lower overall diet quality scores, fresh lean pork has a neutral to slightly positive contribution. In older Korean adults (≥65 years), pork consumption was associated with improved overall nutrient intake and modestly higher diet quality scores compared with non‑consumers, suggesting that lean animal protein can play a role in preventing undernutrition and supporting functional status in aging populations. Pork’s selenium and B‑vitamin content, particularly thiamin and vitamin B12, supports energy metabolism and neurological functions, which are essential for daily activities and cognitive health. In preliminary interdisciplinary research, lean pork intake was linked with functional brain network efficiency, indicating potential benefits for cognitive performance and brain health — though more randomized controlled trials are needed to confirm these outcomes. These nutrient contributions align with broad dietary recommendations emphasizing high‑quality protein and micronutrient density, especially for populations at risk of deficiency. Individuals who maintain an overall balanced diet that includes lean meats like pork, plenty of vegetables, whole grains, and healthy fats may see benefits from the nutrient completeness that lean pork adds without adverse effects when consumed judiciously within calorie and saturated fat limits.
❤️ Health Benefits
Supports Muscle Maintenance and Growth
High‑quality, complete protein with all essential amino acids promotes muscle protein synthesis.
Evidence: moderate⚖️ Comparisons
Vs. Chicken breast
Chicken breast offers similar high protein with typically lower fat, while pork provides more B‑vitamins and selenium.
🧊 Storage Guide
❄️
Fridge
1–2 days raw
🧊
Freezer
4–6 months raw
⚠️ Signs of
Spoilage:
- smell: Sour or ammonia‑like odor
- visual: Grayish discoloration, Mold spots
- texture: Sticky or tacky surface
- when to discard: Foul smell even after rinsing, Slimy texture persists
👥 Special Considerations
elderly
Why: Provides essential amino acids and micronutrients.
Recommendation: Lean pork can help prevent sarcopenia.
athletes
Why: Supports muscle repair and energetic demands.
Recommendation: Good source of complete protein for recovery.
children
Why: Protein and B‑vitamins support development.
Recommendation: Appropriate cooked portions can support growth.
pregnancy
Why: Protein, B12, and iron support fetal growth.
Recommendation: Include fully cooked lean pork to meet increased protein and micronutrient needs.
breastfeeding
Why: High‑quality protein and micronutrients support lactation.
Recommendation: Consume in balanced amounts for energy and nutrient support.
🔬 Detailed Nutrition Profile (USDA)
Common Portions
1.00 lb
(453.60g)
1.00 oz
(28.35g)
| Nutrient | Amount | Unit |
|---|---|---|
| Water | 72.2300 | g |
| Energy | 144.0000 | kcal |
| Energy | 602.0000 | kJ |
| Protein | 21.2300 | g |
| Total lipid (fat) | 5.8800 | g |
| Ash | 1.0500 | g |
| Carbohydrate, by difference | 0.0000 | g |
| Fiber, total dietary | 0.0000 | g |
| Calcium, Ca | 17.0000 | mg |
| Iron, Fe | 0.8800 | mg |
| Magnesium, Mg | 23.0000 | mg |
| Phosphorus, P | 209.0000 | mg |
| Potassium, K | 384.0000 | mg |
| Sodium, Na | 54.0000 | mg |
| Zinc, Zn | 1.9900 | mg |
| Copper, Cu | 0.0650 | mg |
| Manganese, Mn | 0.0120 | mg |
| Selenium, Se | 32.4000 | µg |
| Vitamin C, total ascorbic acid | 0.6000 | mg |
| Thiamin | 0.9800 | mg |
| Riboflavin | 0.2720 | mg |
| Niacin | 4.8250 | mg |
| Pantothenic acid | 0.7890 | mg |
| Vitamin B-6 | 0.5100 | mg |
| Folate, total | 5.0000 | µg |
| Folic acid | 0.0000 | µg |
| Folate, food | 5.0000 | µg |
| Folate, DFE | 5.0000 | µg |
| Vitamin B-12 | 0.6600 | µg |
| Vitamin A, RAE | 2.0000 | µg |
| Retinol | 2.0000 | µg |
| Vitamin A, IU | 7.0000 | IU |
| Fatty acids, total saturated | 2.0300 | g |
| SFA 10:0 | 0.0100 | g |
| SFA 12:0 | 0.0100 | g |
| SFA 14:0 | 0.0700 | g |
| SFA 16:0 | 1.2900 | g |
| SFA 18:0 | 0.6400 | g |
| Fatty acids, total monounsaturated | 2.6600 | g |
| MUFA 16:1 | 0.1900 | g |
| MUFA 18:1 | 2.4100 | g |
| MUFA 20:1 | 0.0400 | g |
| Fatty acids, total polyunsaturated | 0.6300 | g |
| PUFA 18:2 | 0.5100 | g |
| PUFA 18:3 | 0.0200 | g |
| PUFA 20:4 | 0.0700 | g |
| Cholesterol | 60.0000 | mg |
| Tryptophan | 0.2700 | g |
| Threonine | 0.9700 | g |
| Isoleucine | 0.9940 | g |
| Leucine | 1.7040 | g |
| Lysine | 1.9090 | g |
| Methionine | 0.5620 | g |
| Cystine | 0.2710 | g |
| Phenylalanine | 0.8480 | g |
| Tyrosine | 0.7400 | g |
| Valine | 1.1520 | g |
| Arginine | 1.3200 | g |
| Histidine | 0.8480 | g |
| Alanine | 1.2370 | g |
| Aspartic acid | 1.9690 | g |
| Glutamic acid | 3.3240 | g |
| Glycine | 1.0080 | g |
| Proline | 0.8530 | g |
| Serine | 0.8770 | g |
Source: USDA FoodData Central (FDC ID: 167907)
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