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Description
Vitakruid Vitamine A Retinol Acetaat 4000 IE Vegan 90.00 Vegetarische capsulesVitakruid Vitamine A Retinol Acetaat 4000 IE Vegan Vitamine A is een in vetoplosbare vitamine die je voornamelijk vindt in dierlijke producten zoals (orgaan)vlees, vis en zuivelproducten. Vitamine A noemt men ook wel retinol, wat een afgeleide is van retina (netvlies). We koppelen deze vitamine daarom logischerwijs aan ons zicht en dat is niet gek. Ons netvlies bevat staafjes en kegeltjes die licht omzetten naar beelden. De kegeltjes zorgen voor kleur
Vitakruid Vitamine A Retinol Acetaat 4000 IE VeganVitamine A is een in vetoplosbare vitamine die je voornamelijk vindt in dierlijke producten zoals (orgaan)vlees, vis en zuivelproducten. Vitamine A noemt men ook wel retinol, wat een afgeleide is van retina (netvlies). We koppelen deze vitamine daarom logischerwijs aan ons zicht en dat is niet gek.
Ons netvlies bevat staafjes en kegeltjes die licht omzetten naar beelden. De kegeltjes zorgen voor kleur overdag en de staafjes voor grijstinten in de avond en nacht. In de staafjescellen zit een rood pigment genaamd rodopsine.
De omgezette vorm van betacaroteen
De voorloperstof van vitamine A is bètacaroteen. Dit vind je voornamelijk in groene bladgroenten (spinazie, sla, andijvie en broccoli), koolsoorten en groente en fruit met oranje en gele kleuren. Wanneer je deze producten consumeert, vinden er allerlei omzettingsprocessen plaats voordat bètacaroteen de actieve vorm retinol is die het lichaam kan gebruiken. Ter illustratie; van de betacaroteen die je consumeert blijft na alle omzettingsprocessen uiteindelijk maar 9-22 procent over als actieve vorm van vitamine A.
Retinol acetaat de best opneembare vorm
Vitamine A kennen we in meerdere vormen. Een van de werkzame stoffen is retinol acetaat. Dit is een hoogwaardige, stabiele en natuurlijke vorm van vitamine A die we ook in grote hoeveelheden vinden in de buitenste laag van onze huid. Voor voedingssupplementen maken we ook regelmatig gebruik van de stof retinol palmitaat. Het verschil tussen deze twee is dat retinol acetaat een hogere activiteit per milligram heeft.
Retinol acetaat heeft de hoogste activiteit
Retinol is de meest voorkomende vorm van vitamine A, maar niet de eindvorm die het lichaam gebruikt. Via een omzettingsproces wordt retinol uiteindelijk omgezet naar de werkzame stof retinoïnezuur.
Plantaardig dieet vereist extra vitamine A
Voor vegetariërs en veganisten is het extra van belang om de vitamine A waarden in de gaten te houden. En steeds meer mensen eten minder vlees of hebben een eetpatroon wat dierenproducten mijdt. Het kan dan lastig zijn om toereikende vitamine A niveaus te behalen. Mocht je een eetpatroon aanhangen waarin weinig dierlijke voeding zit verwerkt, kan suppletie uitkomst bieden.
Claims
- Vitamine A speelt een rol in celspecialisatieproces - Vitamine A draagt bij aan de instandhouding van normale vochtbalans van de ogen - Vitamine A is goed om scherp te blijven zien in het donker - Vitamine A is goed voor het gezichtsvermogen - Vitamine A ondersteunt de conditie van het oog - Vitamine A draagt bij aan de instandhouding van normale huid en slijmvliezen - Vitamine A helpt bij gezond houden van de huid - Vitamine A is belangrijk voor de huid - Vitamine A ondersteunt het herstellend vermogen van de huid - Vitamine A is goed voor de ijzerhuishouding - Vitamine A heeft een positieve invloed/helpt/ondersteunt het immuunsysteem - Vitamine A is goed voor de slijmvliezen in de darm/longen
Samenstelling
| Samenstelling per dosering (1 vegan capsule): | RI* | |
| Vitamine A (retinol acetaat) | 1200 mcg | 150% |
| * Referentie-Inname | ||
Ingredienten
Aardappelzetmeel (vulstof), HPMC (capsule), Vitamine A (retinol acetaat), magnesium stearaat (anti-klontermiddel), zonnebloemolie (oleum helianthus annuus).
Gebruik
Neem 1 capsule per dag bij de maaltijd. Houd u aan de aanbevolen dosering. Dit voedingssupplement is niet geschikt voor kinderen onder de 3 jaar.
Geschikt voor kinderen vanaf
3
Bewaaradvies
Droog, donker en op kamertemperatuur (15-25°C) bewaren. Buiten bereik en zicht van jonge kinderen houden.
Verantwoordelijk voor het in de handel brengen
Vitakruid BV
Dit product is een voedingssupplement.
Aanbevolen dosering niet overschrijden.
Een gevarieerde, evenwichtige voeding en een gezonde levensstijl zijn belangrijk. Een voedingssupplement is geen vervanging voor een gevarieerde voeding.
Buiten bereik van jonge kinderen houden.
Droog, afgesloten en bij kamertemperatuur bewaren, tenzij anders geadviseerd op het etiket.
Raadpleeg een deskundige alvorens supplementen te gebruiken in geval van zwangerschap, lactatie, medicijngebruik en ziekte.
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4.3 ★★★★★
Based on 1724 reviews
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Product Reviews
★★★★★ 5
Easy to use for a clean looking cut!
I do wish there was a cordless version but I'm so glad I bought this. It took some time to edge everything the first time because I had to cut the lines but it's been a breeze ever since. I just walk the perimeter of the yard and driveway and it does it's job with ease.
The front wheel has three settings which determines how far down the blade cuts and the blade has two settings for edging or trenching. The handle is stationary but it can be lifted up or down. There's a guideline on top of the blade guard that helps identify where the blade is going to make the cut. TIP: Lean it back on the back wheels before pulling the trigger and slowly bring it down because it will jump if the blade isn't lined up and touches the concrete.
It doesn't roll well in the grass but it's very smooth when rolled on the concrete. It's definitely worth having to give a clean and finished look. It's well built and isn't too heavy but definitely has some weight to it. It's only loud when the blade hits the concrete otherwise it sounds like a drone. The only complaint I have is that I have to watch the cord closely other than that it's the perfect tool to give a clean look to the yard.
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Reviewed in the United States on August 5, 2025
★★★★★ 5
Great tool, well worth the money!
I'm thrilled and pleased with the Worx edger. I bought it because it's electric, cheaper than other styles and I don't have to fool with a 2 stroke engine. I bought Worx, because it has a good guide to help me keep the blade away from the sidewalk, as well as a white mark on the housing to give a general idea of where the blade was. Also I thought it seemed to have a good engine. Now I'm sure it has a good engine. I looked at 3 other comparable trimmers, and because of the guide and engine, chose Worx. I read the 1 star reviews, many of the 5 star reviews and in between, as well as all the specifications I could. One of the competitors was attractive to me, but the 1 stars indicated there was a small tendency for the engine to quit. There were many less reviews for most of the models and many for that one, but I chose this one for the same amperage of engine, but less HP, which might, in my mind, over-work the engine which would account for it being ruined. One had a better warranty, but Amazon offered 2 more years for about $750, so I upgraded the warranty to 4 years,I have Tall Fescue grass in sandy loam soil in SE Wyo because of drought resistance, and it's a Northern grass). The grass is taller and tough as well as more in clumps. The ground probably is much easier to work than clay. The edger handled the tall grass ok, with all the clippings which had accumulated. I It was a long hard job to do the first trimming, and I was impressed with the 'Worx. I tried not to work it harder than necessary but it took more than 5 or 6 hours of work. I used the blade down almost to the long hole marker and had parts of 2 teeth left. It worked well; didn't clog; had power. Didn't ruin the engine. Didn't work me hard! I had to tighten the blade after about 10 feet, but only that once. In one area I had to run it on the wrong side, with the wheels on the grass. It worked ok, but worked much better where it was possible to put the wheels on the cement, and thus use the guide! It would be nice to be able to move the handle and the guide to the other side instead of the way I did it. The cord holder worked poorly for a 3 wire 12 gauge extension cord, but worked fine when I got out the smaller 14 g. The metal trimmer guide that helps hold the blade away from the side walk pulls up for use of the edger as a trencher. My lawn looks terrific. The blades were MUCH more expensive than the B & D; so before I bought Worx, I searched the internet and found an electric company which had a 3 pack of original equipment blades for it for $28, and on sale for $22. I scored on the tool, and on the blades! PTL!!
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Reviewed in the United States on November 13, 2015
★★★★★ 3
Great but could be Epic
If you’re looking for a solid edger for sidewalks and driveways, this is a great tool. It’s powerful, well-built, easy to assemble, and simple to use. For edging, I would definitely recommend it.
However, I wouldn’t recommend it as a true trencher. I bought it for both purposes but mainly needed it for trenching. The maximum cutting depth is only about 1.5 inches, which isn’t deep enough for most garden borders or running cable. In my opinion, a real trencher should be able to reach at least 3 inches deep.
The limitation comes down to the blade size and guard design. WORX could improve this model with a larger blade guard and additional wheel depth settings. If they released a version capable of 3–3.25 inch trenching depth, it would really stand out in the market.
Overall, it’s an excellent edger, just not a true trencher.
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Works Great!
Much quieter than I was expecting. Lawn had needed this for years, I regained 6"-10" of driveway/sidewalk back. Makes the rest of the neighborhood look bad LOL Only the cleaning up wore me out, but it should be much easier next time.
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Reviewed in the United States on May 16, 2026
★★★★★ 5
Gets the job done for a small lawn
Color: 15-Inch
I have a smaller yard, and this works GREAT!!! I have used it several times now. I do not use the bag because my municipality doesn't pick up yard clippings more than once a year. I mow every 7 to 10 days on a middle setting. The only thing that I can complain about is that it doesn't work well if pulling it in reverse. It still cuts fine, but the rubber flap that keeps the grass from flying back at you is a bit long if you want to be able to pull the mower. It can be removed easily if you choose to, but I would at least recommend wearing eye protection if you take it off since it is there for a reason. It maneuvers easily and gets very close to the edges, so I have not had to weed whack at all! It is a light mower and easy to use. Basic maintenance like keeping it covered or in a dry spot when not in use and flipping it to the side to clean the debris from under it after use, and you should have a good mower for a long time. That being said... I DID get the 3-year warranty on it. I know from a past experience with a different company that electric corded mowers are VERY hard to get serviced, so if anything goes wrong, you basically have to replace it. At least this way, my investment will be guaranteed to last several years.
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Reviewed in the United States on May 6, 2026