Keto Diet Fish | WORST Fish to Eat on a Ketogenic Diet | Keto Food Advice

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Keto Diet Fish | WORST Fish to Eat on a Ketogenic Diet | Keto Food Advice- Thomas DeLauer
Tilapia:
Farm Raised
Tilapia is also fed methyltestosterone, which makes them grow bigger, but has been found to be toxic for our livers - In fact, methyltestosterone has been pulled off the market in Germany due to toxicity fears
Cancer Risk/Dioxin
Dioxins are found in tilapia and are a group of chemically-related compounds that are persistent environmental pollutants
Once dioxins enter the body, they last a long time because of their chemical stability and their ability to be absorbed by fat tissue, where they are then stored in the body - half-life in the body is estimated to be 7 to 11 years
It’s well-known for its ability to damage the immune system and interfere with hormonal systems and has been linked to birth defects, inability to maintain pregnancy and decreased fertility, among others
Omega 3’s
A serving of tilapia has 135 milligrams of omega 3’s, whereas a serving of salmon has over 2,000 milligrams of omega-3’s
Swordfish:
Swordfish is among the species of fish that is very high in mercury, an environmental contaminant that can cause brain damage
The mercury found in fish is methylmercury - mercury is released into the air and then settles onto the land and into the water
Bacteria and other microorganisms convert the mercury into methylmercury
Then, fish and shellfish in the water begin to absorb it - fish that eat other fish and who live longer have higher levels of methylmercury
Methylmercury is toxic to the central nervous system - the brain and spinal cord and can cause irreversible damage (brains of unborn babies and infants are especially susceptible)
How much damage is done depends on how much you are exposed to the chemical
The effects of methylmercury poisoning include cerebral palsy, blindness, deafness, impaired mental functioning, impaired lung function, growth problems, and having a small head
Specifically, injuries caused by methylmercury (MeHg) in the central nervous system are related to its ability to increase reactive oxygen species
Mercury also has the ability to increase the permeability of chloride channels of GABA A receptors in the dorsal root ganglion, which is associated with neuronal hyperpolarization
Tuna:
A 100 g of raw yellowfin tuna has 108 calories, 0 carbs, 0.9 g fat and 23.4 g protein, while the bluefin variety is fattier and more flavourful - it contains 144 calories per 100 g, 0 carbs, 4.9 g fat, and 23.3 g protein
It’s rich in selenium, magnesium and potassium, but in terms of fat, it’s not the most favorable for keto
Additionally, tuna is one of the larger sea predators, and because of being high in the food chain, it contains higher levels of mercury than most other fish (yellowfin tuna has the most)
References:
1) Omega-3 polyunsaturated fatty acids augment the muscle protein anabolic response to hyperaminoacidemia-hyperinsulinemia in healthy young and middle aged men and women. (n.d.). Retrieved from www.ncbi.nlm.nih.gov/pmc/articles/PMC3499967/
2) Parra D , et al. (n.d.). A diet rich in long chain omega-3 fatty acids modulates satiety in overweight and obese volunteers during weight loss. - PubMed - NCBI. Retrieved from www.ncbi.nlm.nih.gov/pubmed/18602429
3) Fish oil intake induces UCP1 upregulation in brown and white adipose tissue via the sympathetic nervous system. (2015, December 17). Retrieved from www.nature.com/articles/srep18013
4) Effects of n-3 Polyunsaturated Fatty Acids (?-3) Supplementation on Some Cardiovascular Risk Factors with a Ketogenic Mediterranean Diet. (n.d.). Retrieved from www.ncbi.nlm.nih.gov/pmc/articles/PMC4344614/
5) Essential Fatty Acids: Omega 3 and Omega 6 | Ruled Me. (2018, May 1). Retrieved from www.ruled.me/omega-3-omega-6-essential-fatty-acids/
6) Using Supplements on Keto: The Top 16 and Why You Need Them. (2018, April 19). Retrieved from www.perfectketo.com/using-supplements-on-keto/
7) An Increase in the Omega-6/Omega-3 Fatty Acid Ratio Increases the Risk for Obesity. (n.d.). Retrieved from www.ncbi.nlm.nih.gov/pmc/articles/PMC4808858/
8) Toxic Effects of Mercury on the Cardiovascular and Central Nervous Systems. (n.d.). Retrieved from www.ncbi.nlm.nih.gov/pmc/articles/PMC3395437/
9) Methylmercury poisoning: MedlinePlus Medical Encyclopedia. (n.d.). Retrieved from medlineplus.gov/ency/article/001651.htm

[@pamelap.123]

1. Tilapia, low in omega 3s and often are farmed and fed awful diets such as chicken poo. 2. Swordfish- higher up on food chain so may be feeding on and building up chemically contaminated (ie.Mercury) smaller fish. 3.Tuna.Same as swordfish. Canned tuna is actually better because it's usually younger and less contaminated

[@shivamaraj7055]

Much thanks for summary 👍

[@RubiconV]

You are so smart

[@wokeaf1337]

@primal tyler that article is from 20y ago and the study happened 1989 lol, i think our oceans are a lot worse since then if we have to believe that the climate change will become irreversible in about 8 years.

[@raybod1775]

There's no real old tuna left in the oceans, so odds are they have much less mercury than 20 or more years ago.

[@Winterstick549]

Swordfish don't have much flavor either.

[@ShipCreek]

I would advise everyone to ensure it is tuna in the can. It could be Barracuda. Which has flesh full of worms. They grade the fish by how prevalent the worms are and quite often substitute tuna with it when canning. I havent eaten canned tuna for well over 35yrs. I use to work in a fish processing plant in my younger days.

[@tazzmite13]

Thanks Thomas for dropping great knowledge on us pescatarians. Always educational !

[@RubiconV]

Those fish are not on Keto. I saw one sneaking some carbs on another youtubers video.

[@GeorgeG90]

this video taught me how tilapia farms work. Was 100% worth watching the video, although it did not have a big variety of fish to compare.

[@hsb2164]

love your informative videos! keep up the great work!

[@dreaminginnoother]

I went through a phase of eating tilapia a few years ago and I realized it was making me sick to my stomach after each meal of it. Yeah, my body was telling me not cool.

[@sheilasanderson9681]

How sad that time in the ocean has become a risk factor.

[@helenoni7559]

You're brilliant Mr Thomas.. Thanks for the information

[@kevinwilliams2548]

Thanks for the video bro 👊 👌👍, great one!!!!!!!!!!!!!!!!!!!!!!!!!!

[@ybe7011]

I always argue that the canned tuna is skipjack and they are small fish, whereas the larger tunas are prized and not usually canned. So glad you pointed this out because so many people think it's the canned tuna that has Mercury

[@austincooper5336]

Been waiting for this video for awhile.

[@DyceFreak]

I recently went to a fish market and researched every single fish they had.. Wild salmon won the bout no problem, even with an assortment of wild fish from around the world. One thing I'll never give up are smoked oysters. According to my mother they were in my diet even before I was born. The ones I eat (crown prince brand) are farm raised though unfortunately..

[@Eva-fe5xe]

I appreciate ur videos, was doing tilapia but thx for the Info.

[@annettefowler4704]

THANK YOU THOMAS!!

[@HealthyAmbitions]

ewwww, I gave up tilapia years ago...I totally agree with you on that one! Once I learned how disgusting the tilapia farming was, I gave it up immediately. Swordfish surprised me...I didn't realize that living longer meant they were more toxic. Interesting...not my Tuna!! but....sashimi! Now I'm sad, lol

[@EmMeyer]

Great info!! Well done. :D

[@laotl6934]

I saw in another one of your recent videos, to not eat canned tuna. Something about the canning process (heating) leached chemicals into the tuna. The suggestion in that video was to use the pouches of tuna.

[@tmad5358]

Not sure if you have a vid on it, but "organic" produce would be a good expose - "organic" raw sewage and other "organic" chemical compounds dumped on these crops once agribusiness cought on to the trend.

[@KetoFitChef]

I was pretty worried when I saw the title of this video! Fortunately, none of the fish I eat made it on this list! I love fish, so that would have kinda sucked! lol Thanks for the info Thomas!!

[@MrLeebooher]

Personally Love fresh caught Large Mouth Bass from Lakes and Ponds as when you put the filets into a dish of distilled water it pulls out all the nasty impurities and smell ! You can catch these beautiful fish in all of the 50 states and they taste wonderful as well as nutritious. Not to mention fishing is fun and it's a lot cheaper than going to the store and purchasing fish that you have no idea where it came from nor how it was raised for the environment it was in. And it is seriously keto friendly.

[@watsnit]

Must share!!! Videos!

[@briansingh260]

In Guyana we have wild Tilapia literally... We catch then where there are grown naturally.

[@manny7886]

Doing keto or not, tilapia (or toilet trout) should be avoided all the time. Forty years ago, I remembered reading in a magazine that tilapia fish being described as toilet trout.

[@147DegreesWest]

Great video!! Thank you! PS: have a link to the good fish video?

[@13oXeR84]

Could you do a video on mediterranean ketogenic diet?

[@erinatemarama6724]

Thankyou you are the man

[@Luke_0]

Thanks again for another great video, because of your info on keto I'm down 100lbs since December 2018, 130 to go but I feel great. Is there a delivery service akin to Butchers Box that you'd recommend for seafood Thomas?

[@enricopallazzo3244]

How’s it going?

[@Luke_0]

@@enricopallazzo3244 I went off the keto wagon during the lockdown and put on anout 25lbs, gotta get back on track!

[@enricopallazzo3244]

Luke Man I went off the rails too and am just now getting back into it. You quickly forget how amazing it feels. Good luck to you sir.

[@clemensetz]

I would be very interested in hearing your opinion on oxalates. Lots of people are talking about them right now (mostly citing Sally K Norton's research) as a hidden toxicity risk in keto/paleo diets because some foods that are popular in the keto community happen to be very high in oxalates (e.g. swiss chard, kale, asparagus, most nuts and seeds).

[@andreainzaghi7373]

fish is seldom free of mercury, according to Dr Neil Nedley "there is no way to take the mercury completely out of the fish" even in supplements distilled.

[@barbs4763]

Its not that i don't enjoy & learn from your videos....but i totally clicked on this because of the thumbnail 😂😂

[@evanjoecool]

That eel at the beginning 😂😂😂

[@alanredversangel]

I just came here to say: Almond butter mixed with creme fraiche is awesome. Ground flaxseed on the top. Boom.

[@PursuingHeaven]

'Much more rational..., I dare say, but it would not be near so much like a fish.” (to quote Jane Austin)

[@Adentalgrl]

Swordfish is so amazingly delicious, tho. 😢 I have not eaten it in years but every time I am reminded is not good to eat it makes me sad. Lol.

[@robertroberts4764]

This was great, a lot I didn’t know. What about fish roe or caviar? Are all fish eggs essentially created equal, or should we avoid certain types?

[@belaid12002]

thanks a lot

[@cherryblossom15]

Me watching this with Tilapia on the counter, oh well last supper..

[@I.am.Ms.Peachs]

New to keto so just want clarification. How is eating tuna in oil taking away from the oil or omegas in the fish. I’m asking based on the comment the oil should come from the fish, not the oil in the can. Isn’t it still coming from the fish AND the added olive oil? Is it such a horrible thing to get oil from both the tuna or salmon and the olive oil? Thank you for clarifying.

[@craigpage1261]

Interesting about the canned tuna. I’d be interested to know what you think of shrimp. Keep making good vids, dude.

[@rusticolus23]

Hey Thomas, what's your take on defatted sunflower seed flour? Per 100 grams it contains 3.187 mg of B1 which is 212 % DV. It also contains 48 grams of protein per 100 grams of flour, which is crazy amount.

[@rebeccalopez2997]

We've never eaten tilapia. Was it instinct ? We eat a lot of canned tuna but it has to be solid white in water. I don't think we've ever had swordfish.

[@tidianesimpson]

Hello. Would you say no to yellow fin tuna steak? Just curious. Thank you for your help.

[@Petteriks]

Loving that thumbnail though 👉🏼🐟😁

[@checkmateforever]

Catfish wasn't mentioned. Thank God. :)

[@apeacefulplace7854]

Just wanting to know...Isn't it the same how gardens that use compost and chicken manure the same as feeding the fish manure? I know more than likely the chicken and pigs were more than likely not organically raised, but I'm speaking of the concept.

[@calotcha108]

Don't dismiss tuna, it's a good source of nutrition _(protein and omega 3)._ It depends on where it's caught.

[@lylarosewild]

Thomas I also read that the Skipjack can be eaten every 8 days with no Mercury build up. Albacore 14 days? I have been sticking to Skipjack now

[@vincentgomis6175]

What about herring fillets. They are rich in Omega 7s and omega 3s.

[@Anna-tc6rz]

Hey I was wondering if you had any suggestions on fish to eat grown in aquaponics? I prefer to grow my own food and aquaponics is great to grow vegetables as well as fish/crustaceans... the most common is Tilapia, is it still just as bad for you when you're raising them yourself? (I havent grown them,just curious.)

[@greendale-alumni5908]

What do you think of Cod fish? And I wish this video came out before I bought a big bag of tuna steaks Haha

[@grantradka]

Are some types of tuna better than others? We have access to yellowfin, skipjack and albacore here in Samoa and it’s really abundant. It’s about the only fish we can easily get that’s not raping the reef of all its wildlife.

[@cDub3284]

I started buying a lot of this frozen preseasoned salmon from Safeway over the past month but was wondering how there was 10g carbs in it....then saw in the ingredients that they use maltodextrin with what they season it with.....

[@isao4933]

Would it be possible to make videos on fasting for people who work over night? Hormones can be all thrown off and I’m not sure if I should work out pre work or post work and when I should time my meals

[@theAlienpirate]

I work 7pm tp 7am and walk or light WT after work then home and eat, I am OMAD, but sometimes will still have a small piece of meat before work if I fell hungry, which would still keep me in a 16-8 window. I'm down about 45 lb since feb about 40 more to go good luck. YMMV.

[@Churbitser]

He's probably never worked overnight so he's going to be guessing if he replies at all. You should self experiment with it until you find what works for you on that schedule!

[@briancrane7634]

eat COLD WATER fish higher Omega3 (or just take some Omega3 capsules)

[@hughring]

Looking for info on freshwater fish. I live on a lake so freshwater fish is common to eat.

[@valeriesanchez3074]

I love starkist tuna

[@gunsmokeuniversity4197]

Just picked up some Cod afted my workout otw home to bake it now. It's mild so i like it i kno it's not the best but sheeet either am i

[@dennisadler9299]

Your awesome man! Video request: 1) Tell me in depth what i will learn to buy your program. For bodybuilding. Can i compete in classic and mens psychique? 2) From what i learn.. can i modify it myself later on according to my progress? It is expencive, so really need more info before buying. Iam a reagular dude but i wanna live in every way possible better than "elite" people ;)

[@lcobb5214]

Moray eel off the menu but they look so tasty!

[@bulcub]

What is the difference when you buy Wild Tilapia vs Farmed? I only buy wild fish.

[@littlevoice_11]

Does this apply to omega 3 supplements? Which are the best and worst sources? Any thoughts on calamari or krill or algae vs regular fish oil capsules for brain health and skin?

[@patriciarobbins1423]

I'm so glad catfish isn't on the list. I eat that often. The only fish from the bad list I eat is tuna, and I eat the canned stuff. Tilapia is awful. Never eat that.

[@littlevoice_11]

Wow i never knew that mass farming of fish was so prevalent

[@puigjoaco]

Hi man how are you! Hope fine, how is carnivore going? I cant wait to see your videos related with it! Big hugs. (please try ribeye and beef liver grounded 3:1) can say its the best burger ive ever eaten. Cheers bro, have a nice day.

[@loayelalfy6249]

Whag about wild caught tilapia from its native habitat in the nile river?

[@mrfotns]

Good morning.

[@GabrielSimon]

You mentioned Dioxins, could you do a more detailed vid on that? how to avoid, detox it... Thank you

[@xoxluckycharmsx]

What are your thoughts on Swai?

[@PursuingHeaven]

I stay away from tilapia and sword, but sushi grade spicy tuna is a love and I am probably never going to give it up. I am not going to justify, yes the metal poisoning is possible but I would also say that Japanese people eat a lot of tuna and they are some of the healthiest people on the planet

[@tinakobriger8365]

In a previous video you said no canned tuna...get the pouch.

[@gabrielelias983]

What about the safety of safe catch brand tuna?

[@justadudebrowsin5807]

One of my friends from China said they never eat Tilapia there because the farms are fed expired birth control pills. Dunno if it's true, but it's horrifying.

[@Winterstick549]

Raising fish by feeding them birth control pills? Weird.

[@nimadoma896]

Danish fish and shrimp is good for kito

[@NIKO4984]

THOMAS, Is the Chuck Light Tuna in packets okay to eat?

[@MissQueen131]

That’s what I eat! Is it ok to eat???

[@jayhawks2042]

You JUST did a video on keto snacks saying the canned tuna is worse than the pouch chuck light tuna... Thomas, I love you bro, but you confuse the hell out of me sometimes with conflicting information. I know sometimes we're learning alongside you, but if you can at least mention when your information changes that would be very helpful. Love the channel, keep up the good work!!

[@isabellacripps4023]

I love your videos Thomas but please make subtitles available for those of us in the deaf community

[@TheMrgoodboy2]

So salmon does not have mucury and dioxins?

[@mikaelopeth_3024]

Dang I had swordfish last night on the grill. It tasted good

[@samfisher8885]

Regarding the canned tuna. The canning process oxidizes the cholesterol in the fish which could be hazardous to our health. What's your take on this? link.springer.com/article/10.1007/s11746-001-0384-y "The total amount of cholesterol oxidation products in the analyzed samples varied considerably, ranging between 40 and 350 μg/g lipids, with the exception of an anomalous sample, that reached a 1600 μg/g level."

[@MrPittsbrother]

Best foods to raise HDL brother?

[@lucasradovanovici7404]

How about Perch?

[@user-ri4pm7dr8i]

How about milk fish , is it ok to eat in keto ?

[@gw5989]

Do video on, no gall bladder and Keto..

[@nrsimmons178]

Yes! Great idea!

[@Kingcold2002]

What about small catfish that’s 3-8 pounds?

[@Tw1l1ghTT]

Atlantic salmon could also fit in those toxic fish

[@markdawson9094]

Tilapia perfect example of “sustainable aquaculture”.

[@avenpace]

OMG I didn't even know possible to feed any kind of fish or animal in such way apart from flora

[@verloren1206]

But I LOVE tuna steak... 😪 I'm really bummed out now.

[@arnoldwong366]

why mention dioxins when they are in everything though?

[@bluecosmos7448]

3:59 😂😂😂

[@DanzeMusic]

IMO, Norwegian farmed salmon is one of the most toxic fish/food one could eat too, scary stuffs!

[@lylarosewild]

Danze Trader Joe’s has a version of that too. Grrr

[@DanzeMusic]

@@lylarosewild This? www.traderjoes.com/digin/post/bbq-cut-fresh-atlantic-salmon-fillets It is bad!

[@davidento9611]

Tuna is pretty crap meat anyway. Both can and steak are just too dry for me. Like a chicken breasts.

[@witchisyours4592]

I'm very curious to know if Anchovies are good to eat in general and on Keto?

[@nicholaschau6770]

Yes Darie, in fact most small fishes, such as anchovies and sardines have high protein content, with high micronutrients and minimal toxins. Just add some healthy fat and they are good on Keto as well.

[@jrstrange123]

Agreed the smaller the fish the better.

[@vanekirk]

S.M.A.S.H. -Best fish according to (Thomas Delauer) Salmon Mackerel Anchovies Sardines Herring

[@zlymaciek]

Before this video I had AD about Lays 50% less fat. LOL

[@dudehaha8353]

Ahi tuna steak is my absolute favorite 😑😑😑

[@kaytepike1615]

Doesn't sea bass have a questionable lipid profile?

[@silviokawakami3906]

I already start my seafood diet! I “see” the food and I eat

[@eliascontreras1951]

Hi, my nutritionist told me that IF and a keto diet dont go together because if you fast for too long during the day, when you break that fast no matter what you eat, that it will kick you out of ketosis to start gluconeogenesis, how true is this?

[@Durtly]

I don't think that's accurate. Gluconeogenisis is not an efficient mechanism, your body doesn't do it unless it's "desperate for essential carbs", and the only carbs that are essential is the very Very VERY small amount it needs for certain specific brain functions. So when the body converts proteins to carbs it doesn't create enough to kick you out of ketosis. IF and Keto are practically made for each other. From my own experience doing both at the same time has additive benefit. i.e. Keto=1, IF=1, Keto +IF=3

[@eliascontreras1951]

Durtly thats what i told her that keto and IF go great together but she kept denying it, that you cant fast because it will kick you out of ketosis no what what you break your fast with, she also said that coconut oil is bad

[@Adler114KF]

This is first time I heard about it. Does your nutritionist try Keto and IF, or she studied it and if she studied she didn't study enough. I am on Keto and IF (1-2 meals a day) and I check regularly my ketones (through the blood) and they are very high. With all respect, I think she is not right.

[@eliascontreras1951]

Mazinga_KF same, first time i heard it from her too, i was like no way, the only thing that can kick you out of ketosis is consuming too many carbs or excess protein, but if you break a fast lets say an egg then youre good, and she said no even if its egg your body will still use gluconeogenesis for having no glucose and trying to turn it into that and it will break ketosis immediately and i was like wtf

[@DimplesDeep1]

As a bottom feeder I just knew catfish would be on the list.

[@MrWallnuts]

Thomas Can you eat SeaWeed Salad in Keto?

[@ShipCreek]

Yep!