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Line drawing for the “Fats and Oils” group: a block of butter and a small cruet of oil

Fish oil, cod liver

Not checked yet · database values 902 kcal per 100 g

Not checked for absorption yet: these are the listed values.

Not checked yet: the numbers below are what the database lists.

Good for

How we counted this

What 100 g gives you: imported foods have no serving size yet.

Your body needs enough of each of these. Past enough, more doesn’t help. Amounts are what the food databases list, not what your body absorbs, unless a row says it was measured.

The words: “A lot” means one serving gives 20% or more of Health Canada’s daily amount, “Some” 10% to 19%, “A little” 2% to 9%, “Almost none” under 2%. Strongest word first; within a word, protein and fibre lead, then the biggest share.

A milligram (mg) is a thousandth of a gram, and a microgram (µg) a thousandth of a milligram: 1,000 µg make 1 mg.

  • Vitamin A

    Your eyes need it to see in dim light.

    A lot

    Eaten every day, one serving would be 1000% of Health Canada’s upper level for adults (3,000 µg a day): a ceiling for daily intake, not one meal. See Watch out.

    Learn more

    Getting enough matters; more than enough doesn’t sharpen your sight.

    30,000 µg in 100 g: 3333% of the 900 µg a day men need, 4286% of the 700 µg women need. The word follows the smaller share, which is the share of the higher amount.

    Source: How much of it gets in hasn’t been measured for this food yet. NIH Office of Dietary Supplements, vitamin A fact sheet for health professionals

  • Vitamin D

    Your body needs it to absorb calcium and keep your bones hard.

    A lot

    Eaten every day, one serving would be 250% of Health Canada’s upper level for adults (100 µg a day): a ceiling for daily intake, not one meal. See Watch out.

    Learn more

    Your skin also makes it in sunlight, so food is only one of its sources.

    250 µg in 100 g: 1667% of the 15 µg a day.

    Source: How much of it gets in hasn’t been measured for this food yet. NIH Office of Dietary Supplements, vitamin D fact sheet for health professionals

Missing from our databases for this food, so left out, not counted as zero: protein, fibre, vitamin C, vitamin E, vitamin K1, thiamin, riboflavin, niacin, vitamin B6, folate, vitamin B12, calcium, iron, magnesium, potassium, zinc, selenium, choline, omega-3: ALA and omega-3: EPA + DHA.

Watch out

Not checked yet, and nothing is on file for foods like it either. That means unknown, not clean.

Better options

We haven’t checked this food, so we don’t rank it against the foods we have: its numbers are as the database lists them.

Foods we’ve checked in the same group

Bring a tracker export or describe your usual week. The same rules check all of it.

The numbers

Open every value

Name in the database: Fish oil, cod liver

Listed nutrients, per 100 g

For each nutrient, the value this page uses is marked “used”. A row marked “second database” is another database’s figure for a matching food, kept so you can see how far databases disagree (they can differ in the samples analysed, lab methods and rounding). Its own cells are worked out from it, but none of the page’s words or scores are.

NutrientPer 100 caloriesHowSourceGrade
Energy902 kcal–FDC Energy (kcal) usedUS food database (USDA SR Legacy)–
902 kcal–copy of USDA · not usedCanadian Nutrient File 2026 #457C
Fat100 g11.09 glisted usedUS food database (USDA SR Legacy) #173577C
100 g11.09 gcopy of USDA · not usedCanadian Nutrient File 2026 #457C
Vitamin A30,000 µg3,325.94 µglisted usedUS food database (USDA SR Legacy) #173577C
30,000 µg3,325.94 µgsecond database · not usedCanadian Nutrient File 2026 #457C
Vitamin D250 µg27.72 µglisted usedUS food database (USDA SR Legacy) #173577C
232 µg25.72 µgsecond database · not usedCanadian Nutrient File 2026 #457C
Vitamin E30 mg3.33 mgsecond database · not usedCanadian Nutrient File 2026 #457C
NutrientPer 100 gPer 100 caloriesHowSourceGrade
Retinol30,000 µg3,325.94 µglisted usedUS food database (USDA SR Legacy) #173577C
30,000 µg3,325.94 µgcopy of USDA · not usedCanadian Nutrient File 2026 #457C

Change the amount to rescale the first column. Nutrients a database doesn't list are missing, not zero.

Sources

Body map 2026-10-25.1: each nutrient’s job comes from an agency fact sheet, linked beside it under Good for.

The plain words: “a lot” means one serving (100 g when the food has no serving size) gives at least 20% of the daily amount (the reference intake), “some” at least 10%, “a little” at least 2% (the cut-offs are ours, one set for every page: 20% and 10% are borrowed from the US labelling terms “high” and “good source” and applied to Health Canada’s daily amount, whereas Health Canada’s own shopper rule says 15%; provisional: they may change in a later method version). The daily amount is Health Canada’s Dietary Reference Intake for adults 19–30; where men and women need different amounts we use the higher one (protein: 56 g for men, 46 g for women). The percentage printed under each nutrient is the printed amount as a share of that daily amount, rounded to the nearest whole number, and the word is read from that percentage, so the amount, the percentage and the word always agree. Calcium with a measured absorption is scaled by how well it gets in compared with milk.

The scale: “Nothing to watch” means a serving a day stays under the limit at ordinary amounts; “Go easy” means a serving a day can push past the limit for adults who already take in the most, or fewer than 2 servings reach it; “Limit it” means once a week or less. The dataset’s own rating is under “How we got this”. Provisional: the scale may change in a later method version.

Measured absorption under Good for: grade-A studies in adults that tested this preparation of this food, as a share of the listed amount (the share digested, for protein), quoted once each source has passed our evidence check; animal studies and other variants stay in the table above. Provisional: this screen may change in a later method version.