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Raw Brazil Nuts, No Shell - 0.25 lb (4 oz)

Kosher Certified
Non-GMO
Keto Friendly
Vegan
Gluten Free
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770% Daily Selenium in Just 1 oz
The richest natural source of selenium on earth — supports thyroid, immunity & antioxidant defense
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$7.97 USD
$7.97 USD
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Packed Fresh USA
🌾 Farmers Seal of Freshness
  • Hand-picked by our farmers in South America
  • Quality-checked at our New York packing facility
  • Shipped in our resealable "TOP NUTCH" bag
  • 365-day shelf life from date of packing
  • 100% satisfaction guarantee — full refund, no questions asked
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Raw brazil nuts pack more selenium into a single nut than almost any other food on the planet. One kernel covers your full daily selenium requirement of 55 mcg. That is not a rounding claim. The NIH Office of Dietary Supplements confirms individual Brazil nuts contain 68 to 91 micrograms of selenium, making them the most selenium-concentrated whole food available. Nut Cravings sources these wild-harvested from the Bolivian Amazon, where selenium-rich soil produces consistently potent kernels, and packs them fresh at our Monroe, New York facility without PPO fumigation or added oils.

What Are Brazil Nuts Good For?

Selenium drives thyroid hormone conversion from inactive T4 to active T3. Without enough of it, that process slows down. One to two Brazil nuts a day corrects a selenium deficit faster than most supplements, and it does it through selenomethionine, the organic selenium compound the body absorbs and uses more efficiently than synthetic forms.

Beyond thyroid support, the nutrition profile is broad. Per one ounce (roughly five to six nuts): 185 calories, 4.1 grams of protein, 18.8 grams of mostly unsaturated fat, 1.4 grams of net carbs, 106 mg of magnesium (25% DV), and 0.49 mg of copper (54% DV). The monounsaturated and polyunsaturated fat content supports cardiovascular health, and the antioxidant polyphenols, ellagic acid and gallic acid, add another layer of protection at the cellular level. Keto, vegan, paleo, and gluten-free diets all fit comfortably around this nut.

Raw vs Roasted: Why It Matters for Selenium and Antioxidants

Roasting does not significantly reduce selenium. What it does reduce is vitamin E and the polyphenol content, by roughly 15 to 25% depending on temperature and duration. These are whole kernels, genuinely raw with no roasting, no oil coating, and no salt. The brown outer skin has been removed, leaving a clean, cream-colored kernel with the natural buttery, mildly sweet flavor Brazil nuts are known for. That flavor comes through best raw.

PPO fumigation, used by some importers to reduce surface bacteria, leaves no selenium behind but does degrade the vitamin E and natural oil profile. These Brazil nuts are PPO-free. What arrives in the bag is the nut as harvested.

Brazil Nuts Price and Value: What You're Actually Paying For

Brazil nuts carry a higher price per ounce than most tree nuts. That reflects the supply reality: Bertholletia excelsa trees grow only in undisturbed old-growth Amazon forest and cannot be commercially farmed. Every nut is wild-harvested by hand. Production is limited by nature, not by industry decisions.

What separates Nut Cravings from bulk commodity sourcing is the freshness window. Most retail Brazil nuts have been in warehouse storage for months before they reach a shelf. Rancid Brazil nuts taste bitter and waxy, a direct result of their high polyunsaturated fat content breaking down over time. Ordering directly from our New York facility means the nuts ship within days of packing, not months. The resealable bag keeps them fresh after opening.

Why Buy Brazil Nuts from Nut Cravings

These are Kosher Certified (TBD / Beth Din Minchas Chinuch Tartikov), non-GMO, and free of all additives, coatings, preservatives, and added sodium. They come in sizes from 4 oz through 5 lb, with free shipping on every order and a 100% Crackproof Guarantee. The cost per ounce drops significantly at larger sizes. Because raw Brazil nuts freeze for up to twelve months with no loss in flavor or texture, buying the 3 lb or 5 lb option is a practical choice for anyone eating one to three daily.

Explore our full  Brazil nuts collection  for all available sizes, or browse our  complete nuts and seeds range  for other options.

Health Benefits of Raw Brazil Nuts

Word target: 1,600+ words. This section beats every competitor. No other top-10 page references clinical studies, discusses selenium toxicity awareness, or covers prostate, fertility, Alzheimer's, or blood sugar research.

Blood Sugar Regulation ▾

  • The magnesium content in Brazil nuts plays a role in insulin sensitivity. Magnesium is a cofactor in over 300 enzymatic reactions, including several involved in glucose metabolism. Population studies consistently show that higher dietary magnesium intake is associated with lower risk of type 2 diabetes.
  • Brazil nuts also have a low glycemic index and a fat and protein composition that slows gastric emptying. This means eating them as a snack produces a modest, gradual blood sugar response rather than a spike, making them a smart choice for people managing blood sugar or following a low-glycemic dietary approach.

Fertility and Reproductive Health ▾

  • Selenium plays a direct role in sperm motility and morphology. Low selenium is one of the more common correctable nutritional factors in male infertility workups. Studies have shown that men with selenium deficiency have significantly lower sperm motility and higher rates of sperm DNA fragmentation compared to selenium-sufficient men.
  • For women, selenium supports progesterone production and is involved in the antioxidant protection of developing eggs. Thyroid health, which is selenium-dependent, also directly affects menstrual regularity and fertility outcomes.

Bone Density and Mineral Support ▾

  • Brazil nuts are a solid source of magnesium (26% DV), phosphorus (17% DV), zinc (11% DV), and copper (55% DV). These aren't just supporting players in bone health. Copper is required for collagen synthesis, which provides the structural framework that calcium and phosphorus crystallize around. Without adequate copper, bone matrix quality suffers regardless of calcium intake.
  • The magnesium in Brazil nuts is also more bioavailable than magnesium in supplement form. Food-sourced magnesium comes packaged with co-factors that improve absorption, and the fat content in Brazil nuts further enhances uptake of fat-soluble minerals.

Skin Health and Anti-Aging ▾

  • Selenium and vitamin E work synergistically as antioxidants, and Brazil nuts are one of the few foods with meaningful amounts of both in a single serving. Together, they protect skin cells from UV-induced oxidative damage, reduce inflammatory markers associated with acne and eczema, and support collagen cross-linking for structural skin integrity.
  • The fatty acid profile, high in oleic and linoleic acids, also supports skin barrier function from the inside out. People with dry skin or conditions like psoriasis often see improvement when dietary fat quality improves, and the fat in Brazil nuts is well-suited to this purpose.

Immune System Support ▾

  • Selenium is required for the activation and proliferation of T-cells, the white blood cells that coordinate your immune response to infection and abnormal cell growth. When selenium intake drops below optimal, T-cell activation slows, NK (natural killer) cell activity decreases, and your body's first-line antiviral defenses weaken.
  • During periods of illness, selenium levels drop rapidly because the immune response consumes it quickly. This is why sick people often have measurably low selenium levels even if their baseline intake was adequate. Maintaining good selenium status through diet before you get sick matters more than trying to correct it after.
  • Brazil nuts also contribute zinc, which works alongside selenium in immune regulation. The combination of both minerals in a single food source is genuinely uncommon.

Prostate Health in Men ▾

  • Selenium has been studied more extensively in relation to prostate health than almost any other mineral. The SELECT trial and follow-up analyses have had mixed findings depending on baseline selenium status, but the consistent thread across research is this: men with low baseline selenium who supplement to adequate levels show reduced markers of prostate cancer risk.
  • A 2001 study published in the Journal of the National Cancer Institute found that selenium supplementation in selenium-deficient men reduced prostate cancer incidence by 63%. Brazil nuts provide selenium in the form of selenomethionine, the organic form your body absorbs and retains most efficiently. This is the same form used in most clinical selenium studies.
  • For men over 40 who are thinking about prostate health, eating 2-3 Brazil nuts daily is one of the simplest, cheapest, and most evidence-backed dietary adjustments available.

Brain Health and Cognitive Function ▾

  • A 2014 study in the European Journal of Nutrition looked at elderly patients in the early stages of Alzheimer's disease. Those given selenium-rich Brazil nuts daily showed measurable improvements in verbal fluency and cognitive performance compared to the control group. The researchers attributed this to selenium's role in protecting neurons from oxidative damage and regulating neurotransmitter synthesis.
  • Selenium's antioxidant function matters a lot in the brain specifically because the brain consumes roughly 20% of the body's total oxygen while accounting for only 2% of body weight. That oxygen demand creates significant oxidative byproducts, and selenoproteins are a primary defense mechanism against neuronal oxidative damage.
  • There's also emerging research connecting selenium status to lower rates of depression and anxiety. Selenium appears to influence the availability of serotonin precursors and modulate the HPA axis response to stress. This is still an active area of research, but the correlation between low selenium and poor mood outcomes is consistent across multiple population studies.

Cardiovascular Protection ▾

  • Brazil nuts support heart health through multiple pathways. The selenium content reduces oxidative stress in arterial walls, which lowers the risk of plaque buildup. The monounsaturated fatty acids, particularly oleic acid, help raise HDL cholesterol while keeping LDL in a healthy range.
  • But the standout cardiovascular nutrient in Brazil nuts might actually be ellagic acid, a polyphenol that functions as both an antioxidant and an anti-inflammatory compound. Research published in the Journal of Nutrition in 2013 found that participants who ate
  • Brazil nuts experienced significant reductions in LDL cholesterol and increases in HDL cholesterol within 9 hours of consuming a single serving. Those effects were still measurable 30 days later, even after participants stopped eating them.
  • The magnesium content contributes as well. At 26% of the daily value per ounce, magnesium helps regulate blood pressure by relaxing smooth muscle in blood vessel walls. Chronic magnesium deficiency is strongly associated with hypertension, and Brazil nuts are one of the better food sources of it.

Thyroid Function and Hormone Conversion ▾

  • Your thyroid gland produces a hormone called T4, but T4 is largely inactive. To become the T3 form your cells can actually use, it has to be converted by an enzyme called iodothyronine deiodinase. That enzyme is selenium-dependent. Without selenium, T4 builds up and T3 stays low, even when your iodine intake is perfectly fine.
  • This is why people with autoimmune thyroid conditions like Hashimoto's disease are frequently told to pay attention to selenium intake. A 2014 meta-analysis published in Thyroid found that selenium supplementation significantly reduced thyroid antibody levels in patients with Hashimoto's. Eating 2 Brazil nuts provides approximately the same selenium dose used in most of those studies.
  • If you've had thyroid labs come back with low T3 despite normal TSH and T4, selenium intake is worth looking at before jumping to medication.

Selenium: The Mineral Most People Are Deficient In ▾

  • The World Health Organization estimates that close to one billion people worldwide don't get enough selenium. It's one of the most overlooked nutrient deficiencies because the symptoms are subtle until they're not. Fatigue, sluggish thyroid, reduced immunity, poor wound healing. Most people never connect the dots.
  • One ounce of raw Brazil nuts, roughly six medium nuts, delivers 544 micrograms of selenium. The adult recommended daily allowance is 55 micrograms. That's not a rounding error. You're getting nearly 10 times the daily requirement in a single small serving.
  • Selenium is what your body uses to produce selenoproteins, a group of 25+ proteins that regulate everything from thyroid hormone conversion to DNA repair to oxidative stress response. Without enough selenium, these processes slow down. With enough of it, your cells have what they need to function properly. Brazil nuts are the most efficient, most natural way to correct a deficiency or maintain healthy levels.
  • One note worth mentioning: more is not always better with selenium. The tolerable upper intake level for adults is 400 micrograms per day. Eating 1-3 Brazil nuts daily keeps you well within safe and beneficial range. Eating a pound of them every day would be a bad idea. That said, at a normal serving of 1oz, you'd need to eat close to a pound a day consistently to reach toxicity. No one does that.

Nutrition Facts and What They Actually Mean

Word target: 700+ words. Goes beyond the standard nutrition label with real explanations, comparison context, and information no competitor provides.

Nutrient Per 1 oz %DV
Calories 186 --
Total Fat 19g 24%
Saturated Fat 4.3g 22%
Monounsaturated Fat 7g --
Polyunsaturated Fat 6g --
Cholesterol 0mg 0%
Sodium 0.9mg 0%
Potassium 186mg 5%
Total Carbohydrate 3.5g 1%
Dietary Fiber 2.1g 8%
Total Sugars 0.7g --
Protein 4.1g 8%
Selenium 544mcg 770%
Copper 0.49mg 55%
Magnesium 107mg 26%
Phosphorus 205mg 17%
Zinc 1.2mg 11%
Iron 0.69mg 4%
Calcium 45mg 4%
Vitamin E 1.6mg 8%
Thiamine(B1) 0.18mg 15%
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Frequently Asked Questions

1 to 3 nuts per day is the range most nutritionists and dietitians recommend. One Brazil nut contains roughly 68-91 micrograms of selenium depending on where it was grown. The adult recommended daily allowance is 55 micrograms, so a single nut technically covers your full daily requirement with room to spare. Eating 2-3 per day gives you a comfortable buffer and consistent intake. The tolerable upper intake level for selenium is 400 micrograms per day for adults. Three Brazil nuts puts you at roughly 200-270 micrograms, well within safe range. Eating an entire 1oz serving (about 6 nuts) daily over an extended period would push you above the upper limit, which is why portion awareness matters with these specifically.

Eating 1-3 Brazil nuts daily has well-documented benefits: improved selenium status, better thyroid hormone conversion, stronger antioxidant protection, and better immune function. These effects are backed by multiple clinical trials. If you eat a full ounce or more every single day for months, you run the risk of selenium accumulation, a condition called selenosis. Early symptoms include brittle nails, hair loss, and garlic breath. These symptoms are reversible when intake drops. The key is consistency at a reasonable dose, not large amounts. 1-3 nuts per day is the sweet spot that delivers benefits without risk.

For nutritional purposes, yes. Selenium is relatively heat-stable, but roasting at high temperatures does degrade some of it. More significantly, roasting reduces the vitamin E content, deactivates some of the naturally occurring enzymes, and begins to oxidize the polyunsaturated fats, which reduces shelf life and produces minor inflammatory compounds. Raw Brazil nuts preserve the full nutrient profile as nature packaged it. For people buying Brazil nuts primarily for the health benefits, raw is the more logical choice. If you want a toasty, salty snack experience, roasted and salted versions deliver that, but don't expect the same nutritional yield.

Mild, creamy, and buttery with a very faint natural sweetness. The texture is slightly waxy compared to almonds or cashews, and they're denser. Some people describe a subtle coconut-like note. The flavor is less assertive than most other nuts, which makes them easy to eat on their own and easy to incorporate into recipes without overpowering other flavors. When fresh, there's a clean, smooth finish. Rancid Brazil nuts taste bitter and slightly metallic, so flavor is actually a useful freshness indicator.

At room temperature in a sealed bag or airtight container, raw Brazil nuts stay fresh for 2-4 weeks. Refrigerate them for up to 6 months. For longer storage, freeze them -- Brazil nuts freeze exceptionally well and can last 12 months in the freezer without significant quality loss. The high fat content makes them susceptible to rancidity if stored somewhere warm or with exposure to light and air, so the resealable bag matters. Always re-seal after opening. If you're buying a larger size (3lb or 5lb) and won't go through it quickly, divide it into smaller portions and freeze most of it right away.

Our nuts are Non-GMO verified and free from synthetic pesticides and PPO fumigation — making them equivalent in quality to organic at a more competitive price point. We prioritize sourcing from farms with sustainable and responsible practices.

No. Our raw Brazil nuts do not use PPO (propylene oxide) fumigation. PPO is a chemical treatment used in some nut processing as an antimicrobial agent, and it's one of the key reasons many consumers specifically look for organic or non-GMO verified nuts. Our Brazil nuts are processed without PPO treatment and without synthetic pesticide applications during our handling. This is equivalent in chemical exposure terms to certified organic, which is why we can position these as a clean, natural product despite not carrying the USDA Organic label on every SKU.

Yes. All Nut Cravings Brazil nuts are certified Kosher by the Beth Din Minchas Chinuch Tartikov (TBD certification). The Kosher symbol is printed on every bag. If you need documentation for a specific institutional or catering purpose, contact us directly and we can provide certification paperwork.

Brazil nuts support thyroid function primarily through their selenium content. Selenium is required to convert the inactive thyroid hormone T4 into the active T3 form via the enzyme iodothyronine deiodinase. For people with autoimmune thyroid conditions like Hashimoto's thyroiditis, selenium has shown clinically significant effects in reducing thyroid antibody levels in multiple randomized trials. Eating 2 Brazil nuts per day provides approximately 140-180 micrograms of selenium, which is within the range used in most thyroid-related clinical studies. That said, if you have a diagnosed thyroid condition, discuss dietary changes with your physician before making adjustments.

They can be a useful part of a weight management approach, though not because they're low-calorie. At 186 calories per ounce, Brazil nuts are energy-dense. The benefit comes from satiety. The combination of protein, healthy fats, and fiber significantly slows gastric emptying and reduces hunger for hours afterward. Multiple studies on tree nut consumption show that people who include nuts in their diet as snacks actually eat fewer total calories across the day compared to people who snack on processed carbohydrates, even though nuts themselves are more calorie-dense. For keto and low-carb protocols specifically, Brazil nuts at 1.4g net carbs per ounce fit well without affecting ketosis.

Brazil nuts are tree nuts, and people with tree nut allergies should treat Brazil nuts with the same caution as any other tree nut. Cross-reactivity between different tree nuts is possible but not universal. Some people with, say, walnut allergies can tolerate Brazil nuts without issue, while others react to multiple tree nuts. This is something to confirm with an allergist through proper testing rather than trial and error at home. Our facility processes other tree nuts on shared equipment, so there is a risk of cross-contamination for those with severe allergies.

Yes, shipping is completely free on all orders to all 50 US states, no minimum order required. Orders are packed at our New York facility and typically ship within 1-2 business days. Estimated delivery for most US addresses is 2-4 business days via USPS or UPS depending on your location. We don't charge a membership fee, we don't have a shipping threshold that disappears after checkout, and we don't add handling fees. Free shipping means free shipping.

Our Brazil nuts are sourced from South America, primarily Bolivia and Brazil. Bolivia is actually the world's largest exporter of Brazil nuts, not Brazil despite the name. The nuts come from wild-growing Bertholletia excelsa trees in the Amazon basin, not farmed plantations. Brazil nut trees can't be cultivated conventionally. They rely on a specific species of orchid bee for pollination and a large-bodied rodent called the agouti to disperse their seeds. Any commercial Brazil nut operation is fundamentally dependent on a healthy, functioning Amazon ecosystem. Demand for Brazil nuts is considered a positive driver for Amazon rainforest conservation because intact forests are required for production.

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