Selenium contributes to the normal function of the immune system, to normal thyroid function and to the maintenance of normal hair and nails.
How many calories are in redfish?
137kcal
in a 140 g fillet
98 kcal per 100 g.
Source: UK CoFID 2021, record 16-131. Checked 5 October 2026.
3.8 gFat
25.8 gProtein
0 gFibre
130 %Daily selenium

What’s in a 140 g fillet
More than half of a fillet is water. The rest is 25.8 g protein and 3.8 g fat.
- 3.8 gFat
- 25.8 gProtein
- 109 gWater
- 1.1 gMinerals and the rest
Below average for fish and seafood
Redfish is 98 kcal per 100 g. The 170 fish and seafood in this database average 138.
Low in sugar and salt
Low sugars and low salt by UK labelling rules, per 100 g.
Vitamins and minerals in redfish
Three of the 15 recorded reach the “high in” level. Selenium leads by a long way.
Only a trace
- Vitamin C
- Copper
- Manganese
Show all 15 with amounts
Badges use the UK legal thresholds per 100 g: 15 % of the reference intake for “source of”, 30 % for “high in”. A trace is shown as “trace” and never counts.
What redfish doesn’t give you. And where to find it.
No recorded vitamin C or copper, and only 4 % of the zinc reference intake per 100 g.
Vitamin C

Zinc

Copper

100 mgVitamin C, 125 %
0.075 mgSelenium, 136 %
0.00125 mgVitamin D, 25 %
Or one scoop of Immufix
Every 25 g scoop declares 100 mg of vitamin C, 0.00125 mg of vitamin D and 0.075 mg of selenium, alongside other vitamins and minerals. Vitamin C, vitamin D and selenium contribute to the normal function of the immune system.
30-day money-back on your first pouch. 75 kcal and 9.9 g of sugars a scoop.
Try your first pouch
30-day money-back guarantee on your first qualifying pouch, less £10 shipping and handling.
Tracked UK delivery
Free standard delivery to UK addresses. Royal Mail 48 tracked, usually 2 to 3 working days.
Made in Cambridgeshire
Made in the UK since 1998, with every nutrient and its declared amount listed on the label.
Redfish against other fish and seafood
Per 100 g, redfish has the most selenium of the 6 here, ahead of bloater (grilled).
All values per 100 g, from the same dataset. Differences are against redfish.

Since that first introduction in 1998, Immufix has remained a constant in my life.
Paula Radcliffe, ambassador and co-owner. Read her story
Taken every morning since 1998.
Paula Radcliffe has taken the same formula since she was 24. Customers rate Immufix 4.8 out of 5 from 89 reviews.
Questions about redfish
What the numbers say to the questions people actually search.
How many calories are in a portion of redfish?
Is redfish high in selenium?
Which vitamins and minerals does redfish have most of?
Is redfish a good source of protein?
How these numbers were made
More fish and seafood
From the same group, with calories per 100 g, and the foods with the most selenium.



More fish and seafood
- Eel, yellow, raw168 kcal
- Herring, raw190 kcal
- Mullet, Red, grilled121 kcal
- Prawns, king, raw77 kcal
- Sardines, raw134 kcal
- Tuna, baked136 kcal
- All 170 fish and seafood
Most selenium
- Crab, brown meat, purchased cooked0.225 mg
- Shrimps, dried0.17 mg
- Prawns, standard, dried0.163 mg
- Kidney, pig, fried0.27 mg
- Brazil nuts, kernel only0.254 mg
- Kidney, pig, stewed0.25 mg
- Selenium guide