Sunflower seed butter: dense in minerals, missing from US allergen labels

The strongest evidence near this jar concerns sunflower oil. In a network meta-analysis of 54 randomized trials in adults, sunflower oil and several other oils lowered LDL cholesterol by 8.9 to 16 mg/dL (0.23 to 0.42 mmol/l) more than butter did, a range shared across the oils rather than measured for sunflower alone. We did not find a single trial or cohort on sunflower seed butter itself. On paper the spread is dense in minerals. The USDA record gives 104.4 mcg selenium, 1.597 mg copper and 22.89 mg vitamin E per 3.5 oz (100 g), from one reference record with no spread across samples. Allergy is where the firmer warnings sit. In one US pediatric allergy clinic, the odds of a sunflower seed allergy diagnosis rose 21 percent a year from 1995 to 2021 (OR 1.21, 95% CI 1.17 to 1.25). A quarter of the reactions in its 235 children met criteria for anaphylaxis. This is a single center, and the figure is the odds of being diagnosed there, so it does not show how common the allergy is.

The numbers, per 3.5 oz (100 g)

How much is actually in it

• Per 100 g, unsalted sunflower seed butter lists 104.4 mcg selenium, 1.597 mg copper and 22.89 mg vitamin E in the USDA reference record. — Single reference record, no sample-to-sample spread Evidence E source
  Selenium 104.4 mcg, copper 1.597 mg, vitamin E 22.89 mg per 3.5 oz (100 g)
• An analysis of 13 sunflower seed butters found that consumer liking followed roasted flavor and creamy texture, not protein or fat content. — 11 commercial and 2 prototype sunflower seed butters; 98 consumers, trained panel of 10 (n = 13 samples, 98 consumers) Evidence C source
  No significant correlation between liking and protein or fat content

What your body absorbs

• According to the Italian Society of Human Nutrition, nuts and seeds are good sources of calcium, iron and zinc, while soaking and germination lower phytate in pulses and cereals. — Position paper on vegetarian diets, PubMed search to September 2015 (n = 295 publications) Evidence E source
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What cooking and storage change

• For roasted nuts and seeds, the USDA retention table keeps 100% of copper, iron, zinc and magnesium but 85% of thiamin and 80% of folate. — Food group Nut and Seed Products, roasted (factor set on the group, not on sunflower seed butter) Evidence E source
  Thiamin 85%, folate 80%, phosphorus 80%, minerals 100% retained
• A case report of sunflower seed anaphylaxis notes that 2S albumins, major seed allergens, resist heat processing and digestive enzymes. — One 38-year-old woman with anaphylaxis after cookies with sunflower seeds (n = 1) Evidence D source
  Basophil activation 50.6% at 10 mcg/mL sunflower extract

What it does to your health

• In a network meta-analysis of 54 randomized trials, sunflower oil and several other oils lowered LDL cholesterol more than butter did, by 8.9 to 16 mg/dL (0.23 to 0.42 mmol/l) across the oils tested. — Adults in randomized trials of at least 3 weeks comparing oils and solid fats (n = 54 trials) Evidence A source
  LDL-C -16 to -8.9 mg/dL (-0.42 to -0.23 mmol/l) vs butter (range across oils incl. sunflower)
• In a randomized trial of 118 men, 8 weeks of a diet enriched with 2-3.4 tbsp (30-50 mL) a day of sunflower oil lowered lipoprotein(a) by 9.5%. — 118 men homozygous for FADS1 rs174550, 8-week diets (n = 118) Evidence B source
  Lp(a) -9.5% (p < 0.001) on sunflower oil diet; -7.3% on camelina oil
• In a 12-week randomized trial in 100 adults with a BMI of 25 to 31.9, a 500 mg daily sunflower seed extract (100 mg chlorogenic acids), not the butter, cut body fat by 2 lb (0.9 kg) against 0.22 lb (0.1 kg) on placebo. — 100 adults, BMI 25 to 31.9, 12 weeks (n = 100) Evidence B source
  Body fat mass -0.9 ± 1.8 kg vs -0.1 ± 1.4 kg, P = .043

Safety, limits and interactions

• According to the authors of a case report, US food labels must declare sesame, but other seeds such as sunflower are not required. — Case report of sunflower seed butter oral immunotherapy with a review of seed allergy (n = 1) Evidence D source
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Who this works differently for

• In one pediatric allergy clinic, the odds of a sunflower seed allergy diagnosis rose 21% a year from 1995 to 2021, and a quarter of the reactions met criteria for anaphylaxis. — 235 children with sunflower seed allergy, single US pediatric clinic, 1995-2021 (n = 235) Evidence C source
  Odds of diagnosis +21% per year (OR 1.21, 95% CI 1.17-1.25); median age at diagnosis 3.9 years
• In 2018 the FDA posted a recall of an organic sunflower butter for possible Listeria, an infection the notice says can cause miscarriages and stillbirths among pregnant women. — Consumers of the recalled product; no illnesses reported Evidence E source
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What is still unknown

• A literature review covering 1930 to 2016 found seed allergy evidence mostly in case reports and no well-designed immunotherapy studies. Management was dietary avoidance and symptom medication that may include adrenaline auto-injectors. — Published reports on sesame, sunflower, poppy, pumpkin, flax and mustard seed hypersensitivity Evidence D source
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The bottom line

Two other trials sit close to the jar without testing it. In 118 men with one FADS1 genotype, 8 weeks of a diet with 2 to 3.4 tbsp (30 to 50 mL) of sunflower oil a day lowered lipoprotein(a) by 9.5 percent, at an oil dose far above a typical serving of seed butter. In 100 adults with a BMI of 25 to 31.9, a 500 mg daily sunflower seed extract carrying 100 mg of chlorogenic acids cut body fat by 2 lb (0.9 kg) over 12 weeks, against 0.22 lb (0.1 kg) on placebo. That was a concentrated extract in one trial, and nobody in it ate the butter. Roasting, by the USDA group factor for roasted nuts and seeds dated 1975, keeps all the copper, iron, zinc and magnesium and about 85 percent of thiamin and 80 percent of folate. That table has no value for selenium or vitamin E. We found no study of how well the minerals are absorbed from this spread. The Italian Society of Human Nutrition lists nuts and seeds as good sources of calcium, iron and zinc, and its advice on lowering phytate by soaking and sprouting is about pulses and cereals. In a test of 13 sunflower seed butters with 98 consumers, liking followed roasted flavor and creamy texture and showed no significant link with protein or fat content. If you or your child react to sunflower seeds, do not count on roasting to make the butter safe. A case report describes the seed's 2S albumin allergens as resistant to heat processing and digestion, stated as background and not tested in that patient. According to the authors of a 2024 case report, US labels must declare sesame but not other seeds, so sunflower can sit in other foods without a mention. A review of reports from 1930 to 2016 found mostly case reports and no well-designed immunotherapy studies, and management was avoidance plus symptom medication that may include an adrenaline auto-injector. In 2018 the FDA posted a recall of one organic sunflower butter for possible Listeria, an infection that can cause miscarriage and stillbirth in pregnant women. One recall does not tell you how often seed butters carry it. We found nothing on this food and medicines.

Sources

1. ssbu-daily-r6-01 · Food composition database
   Seeds, sunflower seed butter, without salt (FDC 170155, SR Legacy, Nut and Seed Products): selenium 104.4 ug per 100 g = 190% DV; copper 1.597 mg = 177% DV; vitamin E 22.89 mg = 153% DV; Foundation samples 0, CoFID match none
   USDA FoodData Central, SR Legacy 2018, FDC 170155 (Seeds, sunflower seed butter, without salt) · checked 2026-10-01
2. ssbu-daily-r6-11 · Product analysis
   A total of 13 samples (11 commercial, 2 prototypes) were evaluated for protein, fat content (Kjeldahl, Soxhlet methods), and texture attributes, including hardness, stickiness, and spreadability. ... The results indicated that consumer liking was primarily driven by flavor, particularly a roasted flavor profile with brown color and creamy texture. No significant correlations were found between consumer liking and protein or fat content.
   Vene K et al., Foods 2025 · checked 2026-10-01
3. ssbu-daily-r6-10 · Position paper
   Vegetarians should also be encouraged to habitually consume good sources of calcium, iron and zinc - particularly vegetables that are low in oxalate and phytate (e.g. Brassicaceae), nuts and seeds, and calcium-rich mineral water. Calcium, iron, and zinc bioavailability can be improved by soaking, germination, and sour-dough leavening that lower the phytate content of pulses and cereals.
   Nutr Metab Cardiovasc Dis, 2017 · checked 2026-10-01
4. ssbu-daily-r6-02 · Nutrient retention table
   USDA-RETN-R6:2203 NUTS,ROASTED, Nut and Seed Products (12): phosphorus 80%, folate 80%, vitamin C 80%, thiamin 85%, riboflavin 95%, niacin 95%, vitamin B6 95%, calcium 100%, iron 100%, magnesium 100%, zinc 100%, copper 100% retained
   USDA Table of Nutrient Retention Factors, Release 6 (2007), code 2203 NUTS,ROASTED · checked 2026-10-01
5. ssbu-daily-r6-07 · Case report
   2S albumins are seed storage proteins found in high concentrations in several nuts and seeds and are major allergens capable of causing severe systemic reactions due to their resistance to heat processing and digestive enzymes.
   J Dermatol, 2026 · checked 2026-10-01
6. ssbu-daily-r6-03 · Network meta-analysis
   Fifty-four trials were included in the NMA. ... Safflower, sunflower, rapeseed, flaxseed, corn, olive, soybean, palm, and coconut oil as well beef fat were more effective in reducing LDL-C (-0.42 to -0.23 mmol/l) as compared with butter.
   J Lipid Res, 2018 · checked 2026-10-01
7. ssbu-daily-r6-04 · RCT
   the participants were randomized to 8-week intervention diets enriched with either Camelina sativa oil (ALA diet) or sunflower oil (LA diet) 30-50 mL/day based on their BMI. ... ALA diet lowered serum Lp(a) concentration by 7.3 % (p = 0.003) and LA diet by 9.5 % (p < 0.001)
   Atherosclerosis, 2024 · checked 2026-10-01
8. ssbu-daily-r6-05 · RCT
   The group that received SUN-CA daily showed decreases in body fat mass greater than those in the placebo group (-0.9 ± 1.8 kg vs. -0.1 ± 1.4 kg, P = .043).
   Nutr Res, 2024 · checked 2026-10-01
9. ssbu-daily-r6-08 · Case report and review
   Food labels in the United States are now required to indicate the presence of sesame but other seeds are not required.
   Allergy Asthma Proc, 2024 · checked 2026-10-01
10. ssbu-daily-r6-06 · Retrospective cohort
    Half of the reactions consisted of mild urticaria or rash, and a quarter met criteria for anaphylaxis. ... From 1995 to 2021, the odds of sunflower seed allergy diagnosis increased annually by 21% (odds ratio, 1.21; 95% CI, 1.17-1.25).
    J Allergy Clin Immunol Pract, 2024 · checked 2026-10-01
11. ssbu-daily-r6-12 · Recall notice
    Listeria infection can cause miscarriages and stillbirths among pregnant women.
    US FDA, Inspired Organics recall of Organic Sunflower Butter, December 2018 · checked 2026-10-01
12. ssbu-daily-r6-09 · Literature review
    the number of published articles on the subject was relatively small and was mainly as case reports rather than large series. ... At present, management is basically dietary avoidance and the use of symptomatic medications that may include epinephrine auto-injectors. We did not encounter any well-designed studies on immunotherapy for seed allergy
    Allergy, 2016 · checked 2026-10-01