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A baked russet potato split open

Potato, baked

Checked by us One serving: 110 g · 105 kcal

Lots of vitamin B6.

Go easy on big portions: potato glycoalkaloids (solanine).

Good for

How we counted this

What one serving (110 g) gives you.

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.

21 more nutrients below “a lot”

Watch out

How we counted this
  • A big dose in one meal upsets the stomach.

    Learn more

    140 g in one sitting reaches the working limit

    This working limit is the lowest dose that caused effects, cut by the margin the agency treats as no concern. How we got it is under “How we got this”.

    You’d need about 1.3 servings in one sitting of this food alone to reach the limit.

    “Go easy” here because fewer than 2 servings at a time reach the limit; one serving on its own stays under it.

    One serving carries 5.6 mg

    How we got this

    The dataset’s rating: Under the limit for one serving; fewer than 2 servings reach it.

    Rated on the dose in one meal, at the mean: no cap. EFSA's lowest effect level is 1 mg total glycoalkaloids/kg body weight, and a margin of exposure above 10 means no concern, so the limit is 0.1 mg/kg body weight, 7 mg for 70 kg. A 110 g serving at the mean (51.2 mg/kg) carries 5.6 mg, 0.080 mg/kg body weight: a margin of 12.4, 80% of the limit. Potatoes with more go past it: at the 95th percentile (116.8 mg/kg) a serving is 12.8 mg, margin 5.4; at the highest sample (276.6) 30.4 mg, margin 2.3. One 110 g serving reaches the limit at 64 mg/kg. How potatoes are stored and trimmed decides the level: remove green parts. Baked and eaten with skin: EFSA's literature range for oven-baking unpeeled potatoes is a 20-50% cut in total glycoalkaloids (3-45% for microwaving). EFSA reports far higher concentrations in peel than flesh (e.g. 150-8,133 mg/kg dry weight in peel vs 4-957 in flesh, Valcarcel 2014 as cited), so a whole baked potato eaten with skin is the higher-dose case; EFSA gives no share-of-total figure.

    EFSA CONTAM Panel (2020) Risk assessment of glycoalkaloids in feed and food, in particular in potatoes and potato-derived products. EFSA Journal 18(8):6222 · grade A

    Every food with potato glycoalkaloids (solanine)

  • Cadmium

    Nothing to watch

    You’d need about 1.9 servings a day, every day, of this food alone to use up what an average adult’s intake leaves under the limit.

    Learn more

    One serving carries 3.74 µg

    How we got this

    A serving a day adds 21% to what an average adult already takes in: a share of that intake, not of the limit. With that serving every day, an average adult would be at about 86% of the limit.

    An average adult already takes in about 71% of the limit. One serving a day fits in the room left.

    Counted from zero, with no allowance for what adults already take in from other food, 5,100 g a week would reach the limit.

    Why this rating: Eating it daily comes to 770 g a week, which stays within the 1,500 g of room left before the limit.

    The dataset’s rating: Nothing to watch: under the limit

    A daily serving adds 21% to an average adult's cadmium intake (EFSA 2012 adult median, 1.77 µg/kg body weight/week; Canadian adults in 2007: 1.2-1.75), far from doubling it, so no cap.

    Health Canada, Canadian Total Diet Study – Trace Elements (2005–2018 composites) · grade A

    Every food with cadmium

  • Acrylamide

    Nothing to watch

    You’d need about 6 servings a day, every day, of this food alone to double the acrylamide an average adult already gets. No dose is known to be safe, so doubling is where we flag.

    Learn more

    A serving a day adds 8.1–18% to what an average adult already takes in. There is no limit to take a share of.

    One serving carries 5.1 µg

    How we got this

    The dataset’s rating: Nothing to watch: doesn’t double average intake

    No safe threshold. A serving adds 8.1-18.2% to EFSA's average adult intake (0.4-0.9 µg/kg body weight/day), short of doubling it, so no cap. The serving alone gives 0.073 µg/kg body weight/day, a margin of exposure of 2,332 against EFSA's benchmark dose lower limit (BMDL10) of 170 µg/kg body weight/day (level of concern 10,000). Range 17-102 µg/kg, median 32.

    US FDA, Survey Data on Acrylamide in Food: Total Diet Study Results (Tables 1–4, FY03–FY06; updated October 2006) · grade A

    Every food with acrylamide

Checked for lead: fine at normal amounts.
  • Lead

    Nothing to watch

    You’d need about 77 servings a day, every day, of this food alone to double the lead an average adult already gets. No dose is known to be safe, so doubling is where we flag.

    Learn more

    A serving a day adds 1.3% to what an average adult already takes in. There is no limit to take a share of.

    One serving carries 0.45 µg

    How we got this

    The dataset’s rating: Nothing to watch: doesn’t double average intake

    Adds 1.3% to the average adult intake (35 µg/day, EFSA 2012 mean), so no cap. Mean without the 1999 composite 3.84 µg/kg; the three most recent composites (2016-2018) 2.15 µg/kg. EFSA puts mean adult intake at 0.50 µg/kg body weight/day, level with its 0.50 reference point (BMDL01), so lead is judged by what a serving adds.

    Health Canada, Canadian Total Diet Study – Trace Elements (2005–2018 composites) · grade A

    Every food with lead

Worth knowing

No limit applies, so none is rated.

  • Sugar

    1.2 g of sugar in a 110 g serving, natural and added together.

    Learn more

    Shown, not rated. The food tables we read give total sugar, and few give added sugar, so the site can’t yet tell sugar added in making a food from the sugar in fruit or milk.

Also measured in it

Figures from the dataset. None has a limit to be rated against, so none is a verdict.

  • Phytate, as the source gives it: 0.111–0.269 (phytate, myo-inositol hexakisphosphate); cooking by baking, boiling or microwaving did not significantly change it % of dry weight (dry weight) · Phillippy 2004 · grade A

    Phytate (also written InsP6, IP6 or phytic acid), the form in which plants store phosphorus, is found in whole grains, beans and nuts. It binds zinc in the gut and lowers how much zinc and plant (non-heme) iron you absorb. No limit applies.

    Source: NIH Office of Dietary Supplements, Zinc fact sheet · NIH Office of Dietary Supplements, Iron fact sheet

Better options

How we counted this

“Better” here always means better at something the row names: more of one nutrient, more nutrients per serving, or the goal you pick. It never means better in every way.

Every amount below is for the same weight, 110 g, the size of one serving of this food, so a swap compares like with like. A serving of another food can be bigger or smaller.

Compared with the other starchy sides we’ve checked.

A food is listed only if it gives clearly more: at least a fifth more than this food, and at least 10% of the daily amount more.

More of what it’s good for

For vitamin B6: no other starchy sides we’ve checked give clearly more, in the same 110 g.

Sweet potato, baked would lead this list, but it’s left out (Worth knowing: acrylamide).

Your goal

Your goal changes only this list, not what the food gives you or what to watch.

Losing weight: fewer calories, and more nutrients, protein and fibre for each calorie.

  • Sweet potato, boiled
    • 84 kcal in 110 g (this food: 105)
    • More vitamin A (866 µg vs 1.1 µg)
    • Less vitamin B6 (0.18 mg vs 0.39 mg)
    • Less potassium (253 mg vs 605 mg)
  • Whole-wheat bread
    • More fibre (6.6 g vs 2.53 g)
    • More selenium (28.4 µg vs 0.55 µg)
    • More thiamin (0.43 mg vs 0.07 mg)
    • Less vitamin B6 (0.24 mg vs 0.39 mg)
    • Less vitamin C (0 mg vs 9.13 mg)

2 foods out of the 5 other starchy sides we’ve checked and could compare give clearly more nutrients, protein and fibre per calorie.

Why some foods aren’t suggested

Left out: Sweet potato, baked (Worth knowing: acrylamide).

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: Potato, Russet, flesh and skin, baked

How the serving was set: 110 g (Health Canada P.3, potatoes plain, fresh or frozen)

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 servingPer 100 caloriesHowSourceGrade
Omega-3: ALA0.013 g0.01 g0.01 glisted usedUS food database (USDA SR Legacy) #170030C
Calcium18 mg19.8 mg18.95 mglisted usedUS food database (USDA SR Legacy) #170030C
11 mg12.1 mg11.58 mgsecond database · not usedUK food tables (CoFID 2021) #13-491C
18 mg19.8 mg18.95 mgcopy of USDA · not usedCanadian Nutrient File 2026 #5706C
Carbohydrate21.44 g23.58 g22.57 glisted usedUS food database (USDA SR Legacy) #170030C
Choline15 mg16.5 mg15.79 mglisted usedUS food database (USDA SR Legacy) #170030C
Energy95 kcal104.5 kcal–FDC Energy (kcal) usedUS food database (USDA SR Legacy)–
Omega-3: EPA + DHA0 g0 g0 glisted usedUS food database (USDA SR Legacy) #170030C
Fat0.13 g0.14 g0.14 glisted usedUS food database (USDA SR Legacy) #170030C
0.2 g0.22 g0.21 gsecond database · not usedUK food tables (CoFID 2021) #13-491C
Cholesterol0 mg0 mg0 mglisted usedUS food database (USDA SR Legacy) #170030C
Fatty acids, total saturated0.032 g0.04 g0.03 glisted usedUS food database (USDA SR Legacy) #170030C
Fibre2.3 g2.53 g2.42 glisted usedUS food database (USDA SR Legacy) #170030C
2.6 g2.86 g2.74 gsecond database · not usedUK food tables (CoFID 2021) #13-491C
Folate26 µg28.6 µg27.37 µglisted usedUS food database (USDA SR Legacy) #170030C
18 µg19.8 µg18.95 µgsecond database · not usedUK food tables (CoFID 2021) #13-491C
Iron1.07 mg1.18 mg1.13 mglisted usedUS food database (USDA SR Legacy) #170030C
0.63 mg0.69 mg0.66 mgsecond database · not usedUK food tables (CoFID 2021) #13-491C
Magnesium30 mg33 mg31.58 mglisted usedUS food database (USDA SR Legacy) #170030C
27 mg29.7 mg28.42 mgsecond database · not usedUK food tables (CoFID 2021) #13-491C
Niacin (B3, niacin equivalents)1.798 mg1.98 mg1.89 mglisted usedCanadian Nutrient File 2026 #5706C
Phosphorus71 mg78.1 mg74.74 mglisted usedUS food database (USDA SR Legacy) #170030C
45 mg49.5 mg47.37 mgsecond database · not usedUK food tables (CoFID 2021) #13-491C
Potassium550 mg605 mg578.95 mglisted usedUS food database (USDA SR Legacy) #170030C
600 mg660 mg631.58 mgsecond database · not usedUK food tables (CoFID 2021) #13-491C
Protein2.63 g2.89 g2.77 glisted usedUS food database (USDA SR Legacy) #170030C
2.5 g2.75 g2.63 gsecond database · not usedUK food tables (CoFID 2021) #13-491C
Riboflavin (B2)0.048 mg0.05 mg0.05 mglisted usedUS food database (USDA SR Legacy) #170030C
0.02 mg0.02 mg0.02 mgsecond database · not used · 2.4×UK food tables (CoFID 2021) #13-491C
Selenium0.5 µg0.55 µg0.53 µglisted usedUS food database (USDA SR Legacy) #170030C
Sodium14 mg15.4 mg14.74 mglisted usedUS food database (USDA SR Legacy) #170030C
2 mg2.2 mg2.11 mgsecond database · not used · 7×UK food tables (CoFID 2021) #13-491C
Sugars1.08 g1.19 g1.14 glisted usedUS food database (USDA SR Legacy) #170030C
1.4 g1.54 g1.47 gsecond database · not usedUK food tables (CoFID 2021) #13-491C
Thiamin (B1)0.067 mg0.07 mg0.07 mglisted usedUS food database (USDA SR Legacy) #170030C
0.2 mg0.22 mg0.21 mgsecond database · not used · 3×UK food tables (CoFID 2021) #13-491C
Vitamin A1 µg1.1 µg1.05 µglisted usedUS food database (USDA SR Legacy) #170030C
Vitamin B120 µg0 µg0 µglisted usedUS food database (USDA SR Legacy) #170030C
0 µg0 µg0 µgsecond database · not usedUK food tables (CoFID 2021) #13-491C
Vitamin B60.354 mg0.39 mg0.37 mglisted usedUS food database (USDA SR Legacy) #170030C
0.11 mg0.12 mg0.12 mgsecond database · not used · 3.2×UK food tables (CoFID 2021) #13-491C
Vitamin C8.3 mg9.13 mg8.74 mglisted usedUS food database (USDA SR Legacy) #170030C
6 mg6.6 mg6.32 mgsecond database · not usedUK food tables (CoFID 2021) #13-491C
Vitamin D0 µg0 µg0 µglisted usedUS food database (USDA SR Legacy) #170030C
0 µg0 µg0 µgsecond database · not usedUK food tables (CoFID 2021) #13-491C
Vitamin E0.07 mg0.08 mg0.07 mglisted usedUS food database (USDA SR Legacy) #170030C
0.05 mg0.06 mg0.05 mgsecond database · not usedUK food tables (CoFID 2021) #13-491C
Vitamin K12 µg2.2 µg2.11 µglisted usedUS food database (USDA SR Legacy) #170030C
0.94 µg1.03 µg0.99 µgsecond database · not used · 2.1×UK food tables (CoFID 2021) #13-491C
Water74.45 g81.9 g78.37 glisted usedUS food database (USDA SR Legacy) #170030C
71 g78.1 g74.74 gsecond database · not usedUK food tables (CoFID 2021) #13-491C
Zinc0.35 mg0.39 mg0.37 mglisted usedUS food database (USDA SR Legacy) #170030C
0.4 mg0.44 mg0.42 mgsecond database · not usedUK food tables (CoFID 2021) #13-491C
NutrientPer 100 gPer servingPer 100 caloriesHowSourceGrade
Beta-carotene6 µg6.6 µg6.32 µglisted usedUS food database (USDA SR Legacy) #170030C
Copper0.107 mg0.12 mg0.11 mglisted usedUS food database (USDA SR Legacy) #170030C
0.09 mg0.1 mg0.09 mgsecond database · not usedUK food tables (CoFID 2021) #13-491C
Ash1.35 g1.49 g1.42 glisted usedUS food database (USDA SR Legacy) #170030C
Starch17.45 g19.2 g18.37 glisted usedUS food database (USDA SR Legacy) #170030C
Sucrose0.39 g0.43 g0.41 glisted usedUS food database (USDA SR Legacy) #170030C
Glucose0.37 g0.41 g0.39 glisted usedUS food database (USDA SR Legacy) #170030C
Fructose0.32 g0.35 g0.34 glisted usedUS food database (USDA SR Legacy) #170030C
Maltose0 g0 g0 glisted usedUS food database (USDA SR Legacy) #170030C
Alcohol, ethyl0 g0 g0 glisted usedUS food database (USDA SR Legacy) #170030C
Caffeine0 mg0 mg0 mglisted usedUS food database (USDA SR Legacy) #170030C
Theobromine0 mg0 mg0 mglisted usedUS food database (USDA SR Legacy) #170030C
Energy397 kj436.7 kj417.89 kjlisted usedUS food database (USDA SR Legacy) #170030C
Galactose0 g0 g0 glisted usedUS food database (USDA SR Legacy) #170030C
Fluoride, F45.2 µg49.72 µg47.58 µglisted usedUS food database (USDA SR Legacy) #170030C
Vitamin A, IU10 iu11 iu10.53 iulisted usedUS food database (USDA SR Legacy) #170030C
Carotene, alpha0 µg0 µg0 µglisted usedUS food database (USDA SR Legacy) #170030C
Vitamin D (D2 + D3), International Units0 iu0 iu0 iulisted usedUS food database (USDA SR Legacy) #170030C
Cryptoxanthin, beta0 µg0 µg0 µglisted usedUS food database (USDA SR Legacy) #170030C
Lycopene0 µg0 µg0 µglisted usedUS food database (USDA SR Legacy) #170030C
Tocopherol, beta0 mg0 mg0 mglisted usedUS food database (USDA SR Legacy) #170030C
Tocopherol, gamma0 mg0 mg0 mglisted usedUS food database (USDA SR Legacy) #170030C
Tocopherol, delta0 mg0 mg0 mglisted usedUS food database (USDA SR Legacy) #170030C
Vitamin K (Dihydrophylloquinone)0 µg0 µg0 µglisted usedUS food database (USDA SR Legacy) #170030C
Folic acid0 µg0 µg0 µglisted usedUS food database (USDA SR Legacy) #170030C
Folate, food26 µg28.6 µg27.37 µglisted usedUS food database (USDA SR Legacy) #170030C
Folate, DFE26 µg28.6 µg27.37 µglisted usedUS food database (USDA SR Legacy) #170030C
Betaine0.2 mg0.22 mg0.21 mglisted usedUS food database (USDA SR Legacy) #170030C
Tryptophan0.027 g0.03 g0.03 glisted usedUS food database (USDA SR Legacy) #170030C
Threonine0.086 g0.09 g0.09 glisted usedUS food database (USDA SR Legacy) #170030C
Isoleucine0.085 g0.09 g0.09 glisted usedUS food database (USDA SR Legacy) #170030C
Leucine0.125 g0.14 g0.13 glisted usedUS food database (USDA SR Legacy) #170030C
Lysine0.137 g0.15 g0.14 glisted usedUS food database (USDA SR Legacy) #170030C
Methionine0.041 g0.05 g0.04 glisted usedUS food database (USDA SR Legacy) #170030C
Cystine0.031 g0.03 g0.03 glisted usedUS food database (USDA SR Legacy) #170030C
Phenylalanine0.104 g0.11 g0.11 glisted usedUS food database (USDA SR Legacy) #170030C
Tyrosine0.062 g0.07 g0.07 glisted usedUS food database (USDA SR Legacy) #170030C
Valine0.131 g0.14 g0.14 glisted usedUS food database (USDA SR Legacy) #170030C
Arginine0.13 g0.14 g0.14 glisted usedUS food database (USDA SR Legacy) #170030C
Histidine0.044 g0.05 g0.05 glisted usedUS food database (USDA SR Legacy) #170030C
Alanine0.08 g0.09 g0.08 glisted usedUS food database (USDA SR Legacy) #170030C
Aspartic acid0.615 g0.68 g0.65 glisted usedUS food database (USDA SR Legacy) #170030C
Glutamic acid0.45 g0.5 g0.47 glisted usedUS food database (USDA SR Legacy) #170030C
Glycine0.073 g0.08 g0.08 glisted usedUS food database (USDA SR Legacy) #170030C
Proline0.081 g0.09 g0.09 glisted usedUS food database (USDA SR Legacy) #170030C
Serine0.095 g0.1 g0.1 glisted usedUS food database (USDA SR Legacy) #170030C
Vitamin E, added0 mg0 mg0 mgfrom SR Legacy usedUS food database (USDA SR Legacy) #170093C
Vitamin B-12, added0 µg0 µg0 µgfrom SR Legacy usedUS food database (USDA SR Legacy) #170093C
Fatty acids, total trans0 g0 g0 glisted usedUS food database (USDA SR Legacy) #170030C
SFA 4:00 g0 g0 glisted usedUS food database (USDA SR Legacy) #170030C
SFA 6:00 g0 g0 glisted usedUS food database (USDA SR Legacy) #170030C
SFA 8:00 g0 g0 glisted usedUS food database (USDA SR Legacy) #170030C
SFA 10:00.001 g0 g0 glisted usedUS food database (USDA SR Legacy) #170030C
SFA 12:00.004 g0 g0 glisted usedUS food database (USDA SR Legacy) #170030C
SFA 14:00.001 g0 g0 glisted usedUS food database (USDA SR Legacy) #170030C
SFA 16:00.021 g0.02 g0.02 glisted usedUS food database (USDA SR Legacy) #170030C
SFA 18:00.005 g0.01 g0.01 glisted usedUS food database (USDA SR Legacy) #170030C
MUFA 18:10.001 g0 g0 glisted usedUS food database (USDA SR Legacy) #170030C
PUFA 18:20.041 g0.05 g0.04 glisted usedUS food database (USDA SR Legacy) #170030C
PUFA 18:30.013 g0.01 g0.01 glisted usedUS food database (USDA SR Legacy) #170030C
PUFA 20:40 g0 g0 glisted usedUS food database (USDA SR Legacy) #170030C
PUFA 22:6 n-3 (DHA)0 g0 g0 glisted usedUS food database (USDA SR Legacy) #170030C
MUFA 16:10.001 g0 g0 glisted usedUS food database (USDA SR Legacy) #170030C
PUFA 18:40 g0 g0 glisted usedUS food database (USDA SR Legacy) #170030C
MUFA 20:10 g0 g0 glisted usedUS food database (USDA SR Legacy) #170030C
PUFA 20:5 n-3 (EPA)0 g0 g0 glisted usedUS food database (USDA SR Legacy) #170030C
MUFA 22:10 g0 g0 glisted usedUS food database (USDA SR Legacy) #170030C
PUFA 22:5 n-3 (DPA)0 g0 g0 glisted usedUS food database (USDA SR Legacy) #170030C
Fatty acids, total monounsaturated0.003 g0 g0 glisted usedUS food database (USDA SR Legacy) #170030C
Fatty acids, total polyunsaturated0.054 g0.06 g0.06 glisted usedUS food database (USDA SR Legacy) #170030C
Iodine0.5 µg0.55 µg0.53 µglisted usedUSDA iodine database (2024) #Potato, with peel, bakedC
Lactose0 g0 g0 glisted usedUS food database (USDA SR Legacy) #170030C
0 g0 g0 gsecond database · not usedUK food tables (CoFID 2021) #13-491C
Lutein + zeaxanthin19 µg20.9 µg20 µglisted usedUS food database (USDA SR Legacy) #170030C
Manganese0.228 mg0.25 mg0.24 mglisted usedUS food database (USDA SR Legacy) #170030C
0.18 mg0.2 mg0.19 mgsecond database · not usedUK food tables (CoFID 2021) #13-491C
Niacin (B3, preformed)1.348 mg1.48 mg1.42 mglisted usedUS food database (USDA SR Legacy) #170030C
0.9 mg0.99 mg0.95 mgsecond database · not usedUK food tables (CoFID 2021) #13-491C
Pantothenic acid (B5)0.38 mg0.42 mg0.4 mglisted usedUS food database (USDA SR Legacy) #170030C
0.46 mg0.51 mg0.48 mgsecond database · not usedUK food tables (CoFID 2021) #13-491C
Retinol0 µg0 µg0 µglisted usedUS food database (USDA SR Legacy) #170030C
0 µg0 µg0 µgsecond database · not usedUK food tables (CoFID 2021) #13-491C

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

Hazard rows as the dataset rates them

  • Acrylamide · Nothing to watch: doesn’t double average intake · No safe threshold. A serving adds 8.1-18.2% to EFSA's average adult intake (0.4-0.9 µg/kg body weight/day), short of doubling it, so no cap. The serving alone gives 0.073 µg/kg body weight/day, a margin of exposure of 2,332 against EFSA's benchmark dose lower limit (BMDL10) of 170 µg/kg body weight/day (level of concern 10,000). Range 17-102 µg/kg, median 32. · FDA 2003–2006 · A
  • Cadmium · Nothing to watch: under the limit · A daily serving adds 21% to an average adult's cadmium intake (EFSA 2012 adult median, 1.77 µg/kg body weight/week; Canadian adults in 2007: 1.2-1.75), far from doubling it, so no cap. · Health Canada Total Diet Study, trace elements · A
  • Lead · Nothing to watch: doesn’t double average intake · Adds 1.3% to the average adult intake (35 µg/day, EFSA 2012 mean), so no cap. Mean without the 1999 composite 3.84 µg/kg; the three most recent composites (2016-2018) 2.15 µg/kg. EFSA puts mean adult intake at 0.50 µg/kg body weight/day, level with its 0.50 reference point (BMDL01), so lead is judged by what a serving adds. · Health Canada Total Diet Study, trace elements · A
  • Potato glycoalkaloids (solanine) · Go easy: within 2 servings of the limit · Rated on the dose in one meal, at the mean: no cap. EFSA's lowest effect level is 1 mg total glycoalkaloids/kg body weight, and a margin of exposure above 10 means no concern, so the limit is 0.1 mg/kg body weight, 7 mg for 70 kg. A 110 g serving at the mean (51.2 mg/kg) carries 5.6 mg, 0.080 mg/kg body weight: a margin of 12.4, 80% of the limit. Potatoes with more go past it: at the 95th percentile (116.8 mg/kg) a serving is 12.8 mg, margin 5.4; at the highest sample (276.6) 30.4 mg, margin 2.3. One 110 g serving reaches the limit at 64 mg/kg. How potatoes are stored and trimmed decides the level: remove green parts. Baked and eaten with skin: EFSA's literature range for oven-baking unpeeled potatoes is a 20-50% cut in total glycoalkaloids (3-45% for microwaving). EFSA reports far higher concentrations in peel than flesh (e.g. 150-8,133 mg/kg dry weight in peel vs 4-957 in flesh, Valcarcel 2014 as cited), so a whole baked potato eaten with skin is the higher-dose case; EFSA gives no share-of-total figure. · EFSA 2020 · A

Oxalate, phytate and gut-tolerance measurements

  • fodmap fructan: not detectable g/100 g · fresh weight · baked potato (skin status and variety not stated) · grade A · Ferjancic 2024
  • histamine: not detected (n = 10) mg/kg · fresh weight · not stated · grade B · Sanchezperez 2018
  • oxalate soluble: n = 1 mg/100 g · fresh weight · baked (skin status not stated) · grade B · Salgado 2023
  • oxalate total: n = 1 mg/100 g · fresh weight · baked (skin status not stated) · grade B · Salgado 2023
  • phytate: 0.111–0.269 % of dry weight (phytate, myo-inositol hexakisphosphate); cooking by baking, boiling or microwaving did not significantly change it % of dry weight · dry weight · raw, unpeeled tubers of eight varieties after about 3 months at 4 °C; cooked russets compared with raw · grade A · Phillippy 2004

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.