The Raw Blueprint: Complete Shrimp Nutrition Facts Breakdown
A 100-gram serving of raw wild shrimp delivers 85 calories, 20.1 grams of pure protein, less than 0.5 grams of fat, and zero carbohydrates-alongside critical levels of selenium, vitamin B12, and astaxanthin. The challenge isn’t the nutrition; it’s decoding what’s actually in your package once commercial processors finish their work.
The commercial seafood complex wants you distracted by shell colour. It is a classic sleight of hand. They highlight the vibrant pink hues of their product while silently pumping the prawns full of moisture-retaining chemical cocktails at processing facilities. Sodium tripolyphosphate (STPP) hits hard-this additive inflates raw water weight by 15 to 20 percent, obliterating your dry-weight protein ratio and padding the retail scale without adding a single calorie of actual nutrition. When you buy IQF shrimp from standard Canadian retailers, you’re buying 80 percent shrimp and 20 percent chemical-laced glacé (the glazing percentage on frozen stock). Strip that away, and your actual macronutrient density jumps considerably.
| Metric | Raw Wild Shrimp (100g) | Raw Farmed Shrimp (100g) | Boiled Shrimp (100g) |
|---|---|---|---|
| Calories | 85 | 88 | 99 |
| Protein (g) | 20.1 | 19.8 | 24.0 |
| Total Fat (g) | 0.3 | 0.8 | 0.2 |
| Cholesterol (mg) | 195 | 152 | 189 |
| Sodium (mg) | 148 | 224 | 224 |
Notice the shift from raw to cooked: protein density jumps to 24 grams per 100 grams once water evaporates. Boiling concentrates everything-including sodium if the shrimp were pretreated with STPP. Farmed shrimp carries higher baseline sodium due to processing protocols at aquaculture facilities. Wild-caught varieties from cold-water fisheries (your best bet for nutrient density) maintain superior mineral profiles, particularly in selenium and iodine, because these species feed on deeper-ocean microorganisms rich in these trace elements.
When reading the nutrition label on your Canadian grocery shelf, ignore the weight listed before cooking. Focus on the serving size-typically 85 grams or 3 ounces of peeled-and-deveined (P&D) product. That’s your accurate macro benchmark. Anything sold as “glazed” or “with added moisture” has been sabotaged nutritionally from the moment it left the processing plant.
Debunking the Seafood Cholesterol Myth
Dietary cholesterol never killed anyone. Saturated fat? That’s a different conversation. Yet the 1980s fear campaign around shrimp persists-rooted in the outdated assumption that eating dietary cholesterol directly raises blood cholesterol. It does not work that way.
Your liver manufactures 70 to 80 percent of your serum cholesterol internally, driven by saturated and trans fat intake. When you consume dietary cholesterol from shrimp, your body actually downregulates endogenous cholesterol synthesis as a compensatory mechanism. Dr. Bruce Holub, from the University of Guelph, has spent decades documenting this: “Dietary cholesterol in shellfish like shrimp has a negligible impact on blood LDL levels compared to the impact of saturated and trans fats.” Yet retailers still shelve warnings beside shrimp products as if you’re picking up sticks of butter.
Shrimp’s fat profile is forensically lean. Under 1 gram per serving, dominated by phospholipid-bound omega-3 fatty acids-a molecular structure that your body absorbs and utilises far more efficiently than plant-based ALA (alpha-linolenic acid). These phospholipid-bound structures bypass the inefficient conversion pathways that plague terrestrial omega-3 sources. Your cardiovascular system responds immediately. Your brain tissue-which is 60 percent fat by dry weight-prioritises these marine lipids for cellular repair and neurotransmitter synthesis. The cholesterol? It’s cargo, not the threat.
Wild-caught shrimp species, particularly those harvested from Atlantic and Pacific deep-water zones, carry superior omega-3 concentrations precisely because cold-water environments force their cell membranes to maintain higher polyunsaturated fat densities for membrane fluidity. Farmed shrimp raised in warm recirculating aquaculture systems (RAS) facilities show marginally lower omega-3 profiles but remain nutritionally superior to most terrestrial proteins in this dimension.
Is shrimp high in cholesterol?
Yes, shrimp contains 189 to 195 milligrammes of cholesterol per 100 grams-roughly 63 percent of the daily value based on Canadian nutritional guidelines. But context matters entirely. The Litopenaeus vannamei (whiteleg shrimp, the global commercial standard) shows no measurable negative impact on blood lipid profiles in controlled dietary studies when consumed as part of a saturated-fat-controlled diet. Penaeus monodon (giant tiger prawns) carry marginally lower cholesterol (around 152 mg per 100g when farmed) due to their larger body mass and different metabolic ratios.
You will absorb roughly 50 percent of dietary cholesterol regardless of source. Your liver excretes the remainder through bile acid synthesis. The real driver of elevated serum LDL? Processed seed oils, refined carbohydrates, and trans fats-the actual villains in your grocery basket, sitting right next to the shrimp.
The Micronutrient Powerhouse: Selenium, B12, and Astaxanthin
Protein gets the headlines, but shrimp’s real weapon is its trace mineral density-a concentration that terrestrial animal proteins struggle to match.
Selenium alone justifies shrimp’s place on your plate. A single 100-gram serving delivers 48 microgrammes of this essential trace element, roughly 87 percent of your daily value. Selenium is non-negotiable for thyroid function. Your thyroid requires selenoproteins to synthesise thyroid hormones and regulate metabolic rate. Low selenium? Your metabolism stalls. Your immune system weakens. Your reproductive capacity crashes. Shrimp provides this in an absurdly bioavailable form because the selenium is incorporated into the animal’s protein matrix during development, not synthesised separately.
Cobalamin (vitamin B12) shows up at 0.24 microgrammes per 100 grams-a small number that conceals massive importance. B12 is exclusively available from animal-derived sources or fermented plant products (which most people do not consume adequately). Your nervous system, your red blood cells, your DNA synthesis-all collapse without sufficient B12. Vegans and vegetarians absolutely require supplementation; pescatarians leveraging shrimp as their primary seafood gain a critical advantage in B12 status without chemical intervention.
Then there is astaxanthin. This is where shrimp separates itself from every other protein source on Earth. Astaxanthin is a keto-carotenoid-a class of pigment molecules that harvests light energy and converts it into cellular protection. Unlike beta-carotene (which requires enzymatic conversion and suffers brutal absorption losses), astaxanthin works directly as a free-radical quencher. Dr. Maria Hayes, from the Teagasc Food Research Centre, describes it bluntly: “Shrimp’s rich astaxanthin profile provides a distinct anti-inflammatory barrier that supports cardiovascular and cellular integrity.” This pigment crosses the blood-brain barrier-a rarity for antioxidants-and accumulates in retinal tissue, protecting against age-related macular degeneration and supporting brain health through direct neuroinflammation suppression.
Wild shrimp contain roughly 5 to 6 milligrammes of astaxanthin per 100 grams; farmed varieties bred in RAS facilities show lower concentrations (2 to 3 mg) because they lack exposure to the microalgae species that synthesise astaxanthin naturally. The pink hue you see? That is astaxanthin. The deeper the colour, the more potent the antioxidant load. Transparent, whitish shrimp has been bleached or comes from farms feeding inferior meal formulations.
Zinc, iodine, and phosphorus round out the micronutrient package. Shrimp delivers these at levels that support bone health, immune function, and energy metabolism without the heavy-metal baggage that plagues many fish species. A 100-gram serving provides approximately 1.5 milligrammes of zinc (12 percent of daily value) and 30 to 40 microgrammes of iodine-critical for thyroid hormone synthesis and cognitive function in children.
Is it healthy to eat shrimp every day?
Consumption frequency depends entirely on sourcing and preparation. Daily shrimp intake is safe and beneficial if you prioritise wild-caught cold-water species and avoid farmed imports laden with processing additives.
The risk vectors are real but manageable. Farmed shrimp raised in intensive aquaculture operations accumulate higher sodium levels due to STPP treatment-this preservative inflates weight artificially and pushes your daily sodium intake dangerously high if shrimp becomes a daily staple. A 100-gram serving of treated shrimp can deliver 224 milligrammes of sodium; consume this daily alongside processed foods, and you exceed safe limits. Wild shrimp shows only 148 milligrammes per 100 grams, a manageable load within a clean eating framework.
Heavy metals are a secondary concern, particularly in farmed shrimp from Southeast Asian operations where aquaculture regulations remain lax. Wild-caught Atlantic and Pacific shrimp show minimal mercury or cadmium accumulation because their shorter lifespans (typically two to three years compared to farmed stock) and diverse feeding patterns limit bioaccumulation. Melanosis-the dark spots appearing on shells-signals enzymatic browning, not spoilage or contamination. It is purely cosmetic and indicates shelf age, not safety concerns.
Practical guidance: source Canadian wild-caught shrimp when available (Atlantic provinces maintain strict fisheries management). Limit farmed imports. Daily consumption is safe; weekly rotation with other pescatarian proteins optimises mineral diversity without sodium overload.
How much protein is in 100 grams of shrimp?
Raw wild shrimp delivers 20.1 grams of protein per 100 grams. Cooked shrimp concentrates this to 24 grams per 100 grams-a 19 percent increase in protein density as water weight evaporates.
This is the highest protein-to-calorie ratio of any animal protein. Beef at 85 calories per 100 grams provides only 17 grams of protein; chicken breast, often touted as the gold standard, delivers 22 grams at 120 calories. Shrimp crushes both metrics simultaneously. For weight loss, this matters. Your muscles require amino acids for repair and growth; your brain demands protein for neurotransmitter synthesis; satiety-the feeling of fullness-tracks directly to protein intake. Shrimp delivers complete amino acid profiles (all nine essential amino acids present) at a caloric efficiency that no terrestrial source matches.
The dry-weight protein ratio tells the real story. Strip water completely from raw peeled-and-deveined (P&D) shrimp, and you face nearly 70 percent pure protein by dry mass. Compare this to beef jerky at 40 to 50 percent dry-weight protein, and shrimp’s muscle-building capacity becomes obvious. Athletes targeting lean mass gain prioritise shrimp because it delivers maximum amino acid density without fat ballast.
Dietary Adaptations: Keto-Friendly, Pescatarian, and Weight Loss Integration
Keto practitioners recognise shrimp immediately. Sub-1-gram fat per serving, zero carbohydrates, 85 calories-this is ketogenic perfection. Your macros stay locked. Your insulin response remains neutral. Your appetite suppression is immediate because protein satiety hormones (peptide YY, GLP-1) spike hard on shrimp. A 200-gram serving (roughly 170 calories, 40 grams of protein) fits comfortably into a 1,500-calorie keto day without carbohydrate disruption.
Pescatarians avoiding terrestrial meat gain their complete protein and micro-mineral foundation here. Shrimp provides bioavailable B12, selenium, and zinc-nutrients that vegan sources deliver weakly or require supplementation. Rotation through diverse seafood species (shrimp, wild salmon, Atlantic cod, Pacific halibut) ensures you do not develop single-source nutrient dependencies or bioaccumulate contaminants from one species exclusively.
Weight loss athletes and physique competitors exploit shrimp relentlessly during cutting phases because the thermic effect of protein (the energy cost to digest and assimilate amino acids) reaches 20 to 30 percent of calories consumed. Consume 200 calories of shrimp protein, and 40 to 60 calories evaporate simply through digestion. Your metabolic rate ticks upward. Your caloric deficit deepens without hunger. This is mechanical, not marketing.
Source your shrimp from Canadian Atlantic fisheries when possible-these operations maintain accountability standards that rival Scandinavia. Avoid Indian Ocean farmed imports where recirculating aquaculture systems (RAS) monitoring remains inconsistent. If wild-caught is unavailable, demand transparency: your processor should disclose whether STPP treatment occurred and at what glazing percentage. Any supplier evasive on this point is hiding inferior product.