Last update
3/26/2026
Overview
SCIENTIFIC SCORE
Moderately Effective
Based on 6 Researches
8.5
USERS' SCORE
Good
Based on 45 Reviews
8.2
Supplement Facts
Serving Size: 1 Softgel
Amount Per Serving
%DV
Vitamin A (from Retinyl Palmitate and Fish Liver Oil)
7,500 mcg
833%
Top Medical Research Studies
9
We investigated a case of persistent blurred vision following cataract surgery, leading to the discovery of vitamin A deficiency in a 74-year-old man. Using advanced tests like full-field electroretinograms and optical coherence tomography, we noted significant retinal changes and low vitamin A levels.
After administering vitamin A supplements for three months, we saw remarkable improvement in his vision and retinal health. This highlights the importance of diagnosing vitamin A deficiency, especially in patients showing persistent vision problems post-surgery.
After administering vitamin A supplements for three months, we saw remarkable improvement in his vision and retinal health. This highlights the importance of diagnosing vitamin A deficiency, especially in patients showing persistent vision problems post-surgery.
Read More
9
We examined a case involving a 55-year-old woman who experienced blurred vision due to a severe corneal condition linked to vitamin A deficiency.
After her previous bowel surgery, she suffered from malabsorption which led to this deficiency.
Despite initial treatments, her condition worsened until vitamin A deficiency was diagnosed.
Following intramuscular vitamin A treatment, she notably recovered her vision and overall health.
After her previous bowel surgery, she suffered from malabsorption which led to this deficiency.
Despite initial treatments, her condition worsened until vitamin A deficiency was diagnosed.
Following intramuscular vitamin A treatment, she notably recovered her vision and overall health.
Read More
9
Our exploration focused on how vitamin A deficiency relates to blurred vision in a 63-year-old patient suffering from nyctalopia and severe rod dysfunction. Using various imaging techniques, we found that this individual's retinal abnormalities primarily affected the photoreceptor layer.
Notably, even after receiving vitamin A supplementation, his symptoms showed significant improvement, although the retinal lesions did not change. This suggests that while vitamin A treatment can help restore visual function, it may not reverse existing retinal damage related to deficiency.
Notably, even after receiving vitamin A supplementation, his symptoms showed significant improvement, although the retinal lesions did not change. This suggests that while vitamin A treatment can help restore visual function, it may not reverse existing retinal damage related to deficiency.
Read More
Most Useful Reviews
9
Vision significantly improved
11 people found this helpful
Improved vision. After one month of taking this vitamin, my sight improved remarkably. I noticed that I wasn’t squinting anymore, and the dryness in my hands and eyes vanished. The capsules are small, odourless and tasteless. The brand’s quality is top-notch! I highly recommend it!
Read More
9
Vitamin A necessity
11 people found this helpful
Excellent vitamin A. I took it as prescribed by my ophthalmologist. I experienced eye dryness, blurred vision, and a decline in sight due to a vitamin A deficiency. After completing the course, my vision improved and the dryness vanished. It's shocking how a deficiency can even lead to blindness!
Read More
9
Vision clarity restored
9 people found this helpful
My vision improved after a month of taking this vitamin. I had to squint before, but one day I suddenly realised I no longer needed to. The dryness in my hands and eyes has also gone. I definitely recommend it.
Read More
Medical Researches
SCIENTIFIC SCORE
Moderately Effective
Based on 6 Researches
8.5
- All Researches
9
We investigated a case of persistent blurred vision following cataract surgery, leading to the discovery of vitamin A deficiency in a 74-year-old man. Using advanced tests like full-field electroretinograms and optical coherence tomography, we noted significant retinal changes and low vitamin A levels.
After administering vitamin A supplements for three months, we saw remarkable improvement in his vision and retinal health. This highlights the importance of diagnosing vitamin A deficiency, especially in patients showing persistent vision problems post-surgery.
After administering vitamin A supplements for three months, we saw remarkable improvement in his vision and retinal health. This highlights the importance of diagnosing vitamin A deficiency, especially in patients showing persistent vision problems post-surgery.
Read More
9
We examined a case involving a 55-year-old woman who experienced blurred vision due to a severe corneal condition linked to vitamin A deficiency.
After her previous bowel surgery, she suffered from malabsorption which led to this deficiency.
Despite initial treatments, her condition worsened until vitamin A deficiency was diagnosed.
Following intramuscular vitamin A treatment, she notably recovered her vision and overall health.
After her previous bowel surgery, she suffered from malabsorption which led to this deficiency.
Despite initial treatments, her condition worsened until vitamin A deficiency was diagnosed.
Following intramuscular vitamin A treatment, she notably recovered her vision and overall health.
Read More
9
Our exploration focused on how vitamin A deficiency relates to blurred vision in a 63-year-old patient suffering from nyctalopia and severe rod dysfunction. Using various imaging techniques, we found that this individual's retinal abnormalities primarily affected the photoreceptor layer.
Notably, even after receiving vitamin A supplementation, his symptoms showed significant improvement, although the retinal lesions did not change. This suggests that while vitamin A treatment can help restore visual function, it may not reverse existing retinal damage related to deficiency.
Notably, even after receiving vitamin A supplementation, his symptoms showed significant improvement, although the retinal lesions did not change. This suggests that while vitamin A treatment can help restore visual function, it may not reverse existing retinal damage related to deficiency.
Read More
8
We evaluated the effectiveness of vitamin A eye gel as a protective measure for patients during head and neck surgery under general anesthesia. Our study involved 120 patients who were randomly assigned either vitamin A eye gel or erythromycin eye ointment, both paired with 3M transparent tape for eye protection.
Upon examining the outcomes, we found that vitamin A offered significant advantages, specifically in reducing corneal staining and discomfort symptoms like blurred vision compared to erythromycin. Thus, vitamin A appears to be a superior choice for preventing ocular complications during surgery.
Upon examining the outcomes, we found that vitamin A offered significant advantages, specifically in reducing corneal staining and discomfort symptoms like blurred vision compared to erythromycin. Thus, vitamin A appears to be a superior choice for preventing ocular complications during surgery.
Read More
8
We explored the effectiveness of retinol palmitate (VApal) ophthalmic solution for treating dry eye in a clinical trial involving 66 patients. Participants were split into two groups; one received VApal, while the other received a placebo.
Over four weeks, we tracked various measures, including improvements in blurred vision. Notably, the VApal group saw significant improvement in blurred vision and other subjective symptoms compared to the placebo.
The study confirmed that VApal is both safe and effective for dry eye treatment, presenting a viable option for those suffering from this condition.
Over four weeks, we tracked various measures, including improvements in blurred vision. Notably, the VApal group saw significant improvement in blurred vision and other subjective symptoms compared to the placebo.
The study confirmed that VApal is both safe and effective for dry eye treatment, presenting a viable option for those suffering from this condition.
Read More
User Reviews
USERS' SCORE
Good
Based on 45 Reviews
8.2
- All Reviews
- Positive Reviews
- Negative Reviews
9
Vision significantly improved
11 people found this helpful
Improved vision. After one month of taking this vitamin, my sight improved remarkably. I noticed that I wasn’t squinting anymore, and the dryness in my hands and eyes vanished. The capsules are small, odourless and tasteless. The brand’s quality is top-notch! I highly recommend it!
Read More
9
Vitamin A necessity
11 people found this helpful
Excellent vitamin A. I took it as prescribed by my ophthalmologist. I experienced eye dryness, blurred vision, and a decline in sight due to a vitamin A deficiency. After completing the course, my vision improved and the dryness vanished. It's shocking how a deficiency can even lead to blindness!
Read More
9
Vision clarity restored
9 people found this helpful
My vision improved after a month of taking this vitamin. I had to squint before, but one day I suddenly realised I no longer needed to. The dryness in my hands and eyes has also gone. I definitely recommend it.
Read More
9
Wonderful improvement noted
6 people found this helpful
The results are wonderful. After a week of taking it, my vision improved. Previously, my eyes were very tired in the evenings, making reading difficult. Now my condition is much better, enabling me to read comfortably. The quality is reliable, with natural ingredients. The capsules are small; I will purchase more.
Read More
9
Effective for dryness
5 people found this helpful
I read a lot about this vitamin and decided to use it for my dry eyes. Initially, I was cautious with the dosage, but after a month, I forgot what dry eyes felt like, and my vision even improved. I highly recommend this vitamin to everyone!
Read More
Frequently Asked Questions
9
Wonderful improvement noted
6 people found this helpful
The results are wonderful. After a week of taking it, my vision improved. Previously, my eyes were very tired in the evenings, making reading difficult. Now my condition is much better, enabling me to read comfortably. The quality is reliable, with natural ingredients. The capsules are small; I will purchase more.
9
Vision significantly improved
11 people found this helpful
Improved vision. After one month of taking this vitamin, my sight improved remarkably. I noticed that I wasn’t squinting anymore, and the dryness in my hands and eyes vanished. The capsules are small, odourless and tasteless. The brand’s quality is top-notch! I highly recommend it!
9
Vitamin A necessity
11 people found this helpful
Excellent vitamin A. I took it as prescribed by my ophthalmologist. I experienced eye dryness, blurred vision, and a decline in sight due to a vitamin A deficiency. After completing the course, my vision improved and the dryness vanished. It's shocking how a deficiency can even lead to blindness!
10
Double vision improvement
1 people found this helpful
I have had double vision for years, with blurry sight six months ago! After taking vitamin A for three months, my double vision symptoms have vanished, and the blurred vision has significantly improved. I will keep using this supplement.
9
Enhanced eyesight
1 people found this helpful
I take vitamin A to restore my vision, and my eyesight has improved consistently. The supplement works excellently with other vitamins and eye drops. I will continue using it. Thank you, Iherb store!
9
Clearer vision reported
1 people found this helpful
My vision is becoming clearer. I've been taking 10,000 IU, yet I've started to think I might need more. After only a week of taking the high-capacity type, my vision felt significantly clearer. Even with nearsightedness, it has improved noticeably. The power of vitamin A is impressive; I hope my eyesight continues to enhance with regular use.
9
Improved vision noted
1 people found this helpful
Now Foods Vitamin A dietary supplement has become a wonderful aid for my vision! The tests show that my vitamin A levels have returned to normal, indicating the efficacy of the supplement. However, it does have some noteworthy disadvantages, so I strongly advise getting a blood test and possibly consulting a specialist before starting this. Please be vigilant concerning your health!
9
We investigated a case of persistent blurred vision following cataract surgery, leading to the discovery of vitamin A deficiency in a 74-year-old man. Using advanced tests like full-field electroretinograms and optical coherence tomography, we noted significant retinal changes and low vitamin A levels.
After administering vitamin A supplements for three months, we saw remarkable improvement in his vision and retinal health. This highlights the importance of diagnosing vitamin A deficiency, especially in patients showing persistent vision problems post-surgery.
After administering vitamin A supplements for three months, we saw remarkable improvement in his vision and retinal health. This highlights the importance of diagnosing vitamin A deficiency, especially in patients showing persistent vision problems post-surgery.
9
We examined a case involving a 55-year-old woman who experienced blurred vision due to a severe corneal condition linked to vitamin A deficiency.
After her previous bowel surgery, she suffered from malabsorption which led to this deficiency.
Despite initial treatments, her condition worsened until vitamin A deficiency was diagnosed.
Following intramuscular vitamin A treatment, she notably recovered her vision and overall health.
After her previous bowel surgery, she suffered from malabsorption which led to this deficiency.
Despite initial treatments, her condition worsened until vitamin A deficiency was diagnosed.
Following intramuscular vitamin A treatment, she notably recovered her vision and overall health.
8
We evaluated the effectiveness of vitamin A eye gel as a protective measure for patients during head and neck surgery under general anesthesia. Our study involved 120 patients who were randomly assigned either vitamin A eye gel or erythromycin eye ointment, both paired with 3M transparent tape for eye protection.
Upon examining the outcomes, we found that vitamin A offered significant advantages, specifically in reducing corneal staining and discomfort symptoms like blurred vision compared to erythromycin. Thus, vitamin A appears to be a superior choice for preventing ocular complications during surgery.
Upon examining the outcomes, we found that vitamin A offered significant advantages, specifically in reducing corneal staining and discomfort symptoms like blurred vision compared to erythromycin. Thus, vitamin A appears to be a superior choice for preventing ocular complications during surgery.
8
We explored the effectiveness of retinol palmitate (VApal) ophthalmic solution for treating dry eye in a clinical trial involving 66 patients. Participants were split into two groups; one received VApal, while the other received a placebo.
Over four weeks, we tracked various measures, including improvements in blurred vision. Notably, the VApal group saw significant improvement in blurred vision and other subjective symptoms compared to the placebo.
The study confirmed that VApal is both safe and effective for dry eye treatment, presenting a viable option for those suffering from this condition.
Over four weeks, we tracked various measures, including improvements in blurred vision. Notably, the VApal group saw significant improvement in blurred vision and other subjective symptoms compared to the placebo.
The study confirmed that VApal is both safe and effective for dry eye treatment, presenting a viable option for those suffering from this condition.
References
- Yamada F, Kato K, Nagashima R, Yonekawa Y, Kashima Y, et al. Case of persistent corneal epithelial damage after cataract surgery leading to diagnosis of vitamin A deficiency. Doc Ophthalmol. 2024;148:121. 10.1007/s10633-023-09963-6
- Liu Y, Lei GY, Li SY, Wu LL, Yin Y, et al. [Effects of different eye protection methods during head and neck surgery under general anesthesia]. Zhonghua Yi Xue Za Zhi. 2022;102:2446. 10.3760/cma.j.cn112137-20220321-00595
- Fieldhouse H, Nestel A, Theron B, Knox Cartwright N. Corneal perforation due to vitamin A deficiency in a patient with short bowel syndrome. BMJ Case Rep. 2021;14. 10.1136/bcr-2021-242776
- Toshida H, Funaki T, Ono K, Tabuchi N, Watanabe S, et al. Efficacy and safety of retinol palmitate ophthalmic solution in the treatment of dry eye: a Japanese Phase II clinical trial. Drug Des Devel Ther. 2017;11:1871. 10.2147/DDDT.S137825
- Aleman TS, Garrity ST, Brucker AJ. Retinal structure in vitamin A deficiency as explored with multimodal imaging. Doc Ophthalmol. 2013;127:239. 10.1007/s10633-013-9403-0
- Kim EC, Choi JS, Joo CK. A comparison of vitamin a and cyclosporine a 0.05% eye drops for treatment of dry eye syndrome. Am J Ophthalmol. 2009;147:206. 10.1016/j.ajo.2008.08.015
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