Overview

SCIENTIFIC SCORE
Possibly Effective
Based on 52 Researches
7.7
USERS' SCORE
Moderately Good
Based on 68 Reviews
7.8
Supplement Facts
Serving Size: 1 Capsule
Amount Per Serving
%DV
Vitamin C (from culture of S. cerevisiae)
25 mg
28%
Folate (from culture of S. cerevisiae)
400 mcg DFE
100%
Vitamin B12 (as Methylcobalamin from culture of S. cerevisiae)
500 mcg 
20833%
Iron (from Brown Rice Chelate)
22 mg 
122%
RAW Organic Fruit & Vegetable BlendOrganic Apple (fruit), Organic Beet (root), Organic Broccoli (stalk & flower), Organic Carrot (root), Organic Spinach (leaf), Organic Tomato (fruit), Organic Strawberry (fruit), Organic Tart Cherry (fruit), Organic Blackberry (fruit), Organic Green Bell Pepper (fruit), Organic Brussels Sprout (leaf), Organic Blueberry (fruit), Organic Ginger (root), Organic Garlic (bulb), Organic Green Onion (bulb), Organic Raspberry (fruit), Organic Parsley (leaf), Organic Cauliflower (flower & stem), Organic Red Cabbage (leaf), Organic Kale (leaf), Organic Cucumber (gourd), Organic Celery (stalk), Organic Asparagus Juice (flower & stem)
310 mg
+
RAW Probiotic & Enzyme BlendLipase, Protease, Aspergillopepsin, beta-Glucanase, Cellulase, Bromelain, Phytase, Lactase, Papain, Peptidase, Pectinase, Hemicellulase, Xylanase, [Lactobacillus plantarum, Lactobacillus bulgaricus] (500 Million CFU)
60 mg
+

Top Medical Research Studies

We examined how iron treatment specifically impacts anemia, particularly during pregnancy. Iron deficiency is a leading cause of anemia, and finding the right treatment is crucial for both mothers and their developing babies.

Our study focused on just the effects of iron without looking at other treatments. This clear approach allowed us to isolate the benefits of iron supplementation. The results were insightful, showing that iron treatment had measurable effects on reducing anemia.

However, we must be careful about overgeneralizing these findings. While our results indicate improvements, it's important to recognize that individual responses to iron may vary. Our findings highlight the importance of monitoring iron levels in pregnant women to effectively address anemia.
Read More
We explored the intriguing link between vitamin B12 deficiency and anemia, particularly through a rare condition known as pseudo-thrombotic microangiopathy. This condition mimics other thrombotic microangiopathies and could lead to unnecessary treatments such as plasmapheresis.

Our findings suggest that this situation should be taken seriously in patients showing signs of microangiopathic hemolytic anemia. It's essential to promptly administer vitamin B12 supplements in these cases, as it can effectively address the root cause of the anemia.

While the lab results may initially appear similar to conditions like thrombotic thrombocytopenic purpura, we noted important differences, particularly in the reticulocyte production index, which can help differentiate between these conditions. Overall, it emphasizes the importance of recognizing how vitamin B12 treatment can alleviate symptoms related to its deficiency.
Read More
8
Iron treatment and CKD anemia
We explored the critical relationship between iron treatment and anemia in chronic kidney disease (CKD). Anemia often arises in CKD patients, whether they are on dialysis or not, primarily due to erythropoietin deficiency. However, iron deficiency plays a significant role and can be categorized into absolute, caused by blood loss, or functional, which is affected by inflammation and high levels of hepcidin.

Hepcidin impedes the body’s ability to use iron effectively, trapping it where it's not accessible for red blood cell production. This disruption in iron metabolism also means that oral iron supplements may not work well, especially in advanced CKD. Therefore, we reviewed various intravenous (IV) iron formulations available for treatment and outlined the diagnostic criteria and treatment benchmarks for iron deficiency in CKD patients.

Our findings led us to consider future therapeutic directions to improve patient outcomes. With advancements in the understanding of iron’s role in this context, the hope is to enhance treatment strategies for managing anemia in CKD effectively.
Read More

Most Useful Reviews

9
Enhanced wellbeing
431 people found this helpful
Perfect iron supplement for the health-conscious. After a diagnosis of iron deficiency anaemia, I was advised to take ferrous sulfate. However, I wanted a high-quality, whole food-based alternative. After finding Garden of Life Vitamin Code Raw Iron, I've noticed an increase in energy and mental clarity. I no longer feel as depressed, and after three months of taking this, I'm pleased to report that I am no longer anemic.
Read More
8
Improving numbers
111 people found this helpful
Helped my anaemia - The REAL Deal ... These. WORK!!!. The proof is in: these are helping with my anaemia!!! Just spoke with my doctor and here are my numbers: RBC is 4.14 (vs. 3.96 one month ago), Hemoglobin is now 11.5 (vs. 10 last month) and Hematocrit is now 35 (vs. 32 last month). I'm a convert. I still have anaemia and am always cold, but my doctor says my numbers are improving. Also, NO CONSTIPATION whatsoever!
Read More
10
Effective supplement
89 people found this helpful
Best iron supplement on the market! I've suffered from anaemia most of my life and never found a supplement as effective as this one. A month ago, my iron level was 10.3 g/dL, below the average for women. After 28 days of taking this supplement, my levels rose to 13.7 g/dL! It's simply amazing! I'll exclusively use this from now on. Best supplement ever!
Read More

Medical Researches

SCIENTIFIC SCORE
Possibly Effective
Based on 52 Researches
7.7
  • All Researches
We examined how iron treatment specifically impacts anemia, particularly during pregnancy. Iron deficiency is a leading cause of anemia, and finding the right treatment is crucial for both mothers and their developing babies.

Our study focused on just the effects of iron without looking at other treatments. This clear approach allowed us to isolate the benefits of iron supplementation. The results were insightful, showing that iron treatment had measurable effects on reducing anemia.

However, we must be careful about overgeneralizing these findings. While our results indicate improvements, it's important to recognize that individual responses to iron may vary. Our findings highlight the importance of monitoring iron levels in pregnant women to effectively address anemia.
Read More
9.5
Identifying and treating hookworm infection
We explored the challenges of diagnosing hookworm infections, particularly in severe cases. By using both morphological and molecular methods, we successfully identified a 75-year-old woman suffering from anemia linked to the hookworm species, Necator americanus. After confirming the infection through various tests, we initiated treatment with albendazole. Following this, we observed a significant improvement in her condition, with both the hookworm and her anemia effectively resolved.
Read More
9.5
Nutrition education reduces anemia
We observed the influence of nutrition education and iron-folic acid (IFA) supplementation on the levels of anemia among pregnant women in Butajira, Ethiopia. Through a quasi-experimental design over three months, we provided pregnant women with health education based on the Health Belief Model, alongside IFA supplements over a six-week period.

At the end of the study, we noticed a remarkable improvement. The proportion of anemia in women receiving the intervention dropped significantly from 27.8% to just 7.2%. Additionally, the knowledge about IFA supplementation improved notably in the intervention group compared to those who did not receive the same level of education, showing a clear connection between education, adherence to supplementation, and overall hemoglobin levels.

We found that participants who engaged in the educational interventions were more likely to adhere to their IFA supplement regimen—2.26 times more so than those who did not participate. This highlights the vital role that combining community-based education and supplementation can play in tackling anemia during pregnancy and improving maternal health outcomes effectively.
Read More
Our exploration centered on how folate impacts anemia, specifically in cases of vitamin B12 deficiency. We observed that while vitamin B12 is often the star player in reversing anemia symptoms, folate also plays a critical support role.

Despite this, the data from related cases indicated that isolated folate treatment did not provide significant benefits in correcting anemia. The connection between folate and hemolytic anemia became clear, yet treatment focused primarily on reintroducing vitamin B12, suggesting that folate’s contribution might not be as decisive on its own.

This finding emphasizes the importance of comprehensive treatment approaches and the need for health care providers to consider both vitamins in managing anemia. Ultimately, the positive outcomes we identified were closely tied to vitamin B12 administration rather than folate acting independently.
Read More
9.5
Vitamin B12 aids anemia recovery
We investigated how vitamin B12 treatment plays a role in addressing anemia in a young adolescent with complex health issues, including severe anemia, joint problems, and neurological symptoms. This individual presented with a deficiency in vitamin B12, alongside other autoimmune conditions, leading to a diagnosis of subacute combined degeneration of the spinal cord.

The patient's treatment regimen included high-dose intravenous methylprednisolone, immunoglobulin therapy, oral naproxen, and vitamin B12 supplementation, among others. We observed that the introduction of vitamin B12 into her treatment plan contributed to combating her anemia effectively. The combination of therapies, especially with vitamin B12, significantly improved her overall health and restored her quality of life.

Our findings highlight the importance of early diagnosis and prompt treatment in patients with complex autoimmune issues. Specifically, vitamin B12 emerges as a critical component in managing anemia related to such conditions. While the study is anecdotal, it reinforces the idea that vitamin B12 can be beneficial in improving anemia outcomes in similarly affected patients.
Read More

User Reviews

USERS' SCORE
Moderately Good
Based on 68 Reviews
7.8
  • All Reviews
  • Positive Reviews
  • Negative Reviews
9
Enhanced wellbeing
431 people found this helpful
Perfect iron supplement for the health-conscious. After a diagnosis of iron deficiency anaemia, I was advised to take ferrous sulfate. However, I wanted a high-quality, whole food-based alternative. After finding Garden of Life Vitamin Code Raw Iron, I've noticed an increase in energy and mental clarity. I no longer feel as depressed, and after three months of taking this, I'm pleased to report that I am no longer anemic.
Read More
8
Improving numbers
111 people found this helpful
Helped my anaemia - The REAL Deal ... These. WORK!!!. The proof is in: these are helping with my anaemia!!! Just spoke with my doctor and here are my numbers: RBC is 4.14 (vs. 3.96 one month ago), Hemoglobin is now 11.5 (vs. 10 last month) and Hematocrit is now 35 (vs. 32 last month). I'm a convert. I still have anaemia and am always cold, but my doctor says my numbers are improving. Also, NO CONSTIPATION whatsoever!
Read More
10
Effective supplement
89 people found this helpful
Best iron supplement on the market! I've suffered from anaemia most of my life and never found a supplement as effective as this one. A month ago, my iron level was 10.3 g/dL, below the average for women. After 28 days of taking this supplement, my levels rose to 13.7 g/dL! It's simply amazing! I'll exclusively use this from now on. Best supplement ever!
Read More
0
Negative reaction
44 people found this helpful
Unfortunately, this was an unsuccessful purchase. I have chronic iron deficiency anaemia, and while it didn’t cause constipation, I experienced excitability and palpitations, likely due to the high dosage of vitamin B12. I will be more cautious about future purchases.
Read More
9
Improved well-being
34 people found this helpful
I had latent iron deficiency anaemia and struggled with various pharmaceutical irons. After three months of taking Iron from Garden of Life, my ferritin level rose to normal. This supplement worked wonders without any side effects. I feel energetic, my hair has stopped falling out, and my overall health has improved. I highly recommend this complex for anyone dealing with similar issues!
Read More

Frequently Asked Questions

10
Saved from therapy
11 people found this helpful
This supplement saved a loved one from needing IV iron therapy for severe anaemia. Within 14 days, their iron levels rose dramatically and remained consistent. There were no side effects, which is often the case with synthetic iron.
9
Improved health
4 people found this helpful
The capsules are smooth and dark, with a strong aroma. Despite their large size, they caused me no discomfort. I noticed the effectiveness after a few days, experiencing enhanced gastrointestinal activity and overall improvement in my condition. I felt more energetic, and symptoms of anemia lessened—less hair loss, warmer limbs, and reduced skin dryness. The blend of plant extracts, enzymes, and probiotics benefits my entire body.
9
Improved well-being
34 people found this helpful
I had latent iron deficiency anaemia and struggled with various pharmaceutical irons. After three months of taking Iron from Garden of Life, my ferritin level rose to normal. This supplement worked wonders without any side effects. I feel energetic, my hair has stopped falling out, and my overall health has improved. I highly recommend this complex for anyone dealing with similar issues!
9
Remarkable increase
5 people found this helpful
For the first time, my haemoglobin levels improved dramatically, rising from 76 to 132. After starting this supplement, my health noticeably improved, and I am delighted with the results. I highly recommend it!
9
Recommended for anaemia
3 people found this helpful
This is a great product for treating anaemia. It does not cause constipation, making it the best type I have tried so far.
0
Negative reaction
44 people found this helpful
Unfortunately, this was an unsuccessful purchase. I have chronic iron deficiency anaemia, and while it didn’t cause constipation, I experienced excitability and palpitations, likely due to the high dosage of vitamin B12. I will be more cautious about future purchases.
9
No side effects
3 people found this helpful
This iron supplement causes no digestive side effects for me. My haemoglobin and ferritin levels have improved as expected. It contains essential vitamins and amino acids, including folic acid and B12, which aid iron absorption without needing extra vitamin C. I'm pleased with the ongoing results.
8
Ferric Carboxymaltose Replaces Iron Sucrose
We aimed to find a better way to manage anemia in pediatric patients undergoing hemodialysis. Traditionally, these patients receive intravenous (IV) iron therapy using iron sucrose, which requires frequent treatments and carries a risk of allergic reactions. Moving forward with a home hemodialysis program, we investigated ferric carboxymaltose as a safer and more effective alternative.

In our study, we looked closely at how ferric carboxymaltose performed in maintaining healthy levels of hemoglobin, transferrin saturation, and reticulocyte hemoglobin content over a 12-month period. We also compared its efficacy against traditional iron sucrose treatments. The results were encouraging, showing that ferric carboxymaltose not only matched the effectiveness of iron sucrose but also required fewer hospital visits, significantly easing the treatment burden on families.

Overall, our findings suggest that ferric carboxymaltose is both clinically effective and cost-efficient. By reducing the frequency of administration, this approach can enhance the quality of life for pediatric patients with anemia due to chronic kidney disease who depend on hemodialysis. We believe this innovation presents a promising shift in anemia management for this vulnerable population.
4
Iron supplementation alone sufficient
We set out to understand how iron supplementation affects anemia in children by comparing the effects of iron-folic acid with and without additional multiple micronutrients. Conducted as a randomized controlled trial in rural Haryana, India, we included children aged 6 to 59 months with mild to moderate anemia.

Participants were divided into two groups: one received daily iron and folic acid along with multiple micronutrients, while the other was given just iron and folic acid for 90 days. Our aim was to evaluate changes in hemoglobin levels and the rate of recovery from anemia at the end of the study.

After tracking 1,300 children, we found that there was no significant difference in the effectiveness of the two treatments regarding hemoglobin concentration or the proportion of children who were cured of anemia. In fact, compliance with the treatment was high in both groups, but additional micronutrients did not lead to improved outcomes compared to iron and folic acid alone.

Ultimately, our findings suggest that focusing on ensuring children get their necessary iron and folic acid could effectively address anemia, without the need for extra micronutrients.
8
Iron treatment and CKD anemia
We explored the critical relationship between iron treatment and anemia in chronic kidney disease (CKD). Anemia often arises in CKD patients, whether they are on dialysis or not, primarily due to erythropoietin deficiency. However, iron deficiency plays a significant role and can be categorized into absolute, caused by blood loss, or functional, which is affected by inflammation and high levels of hepcidin.

Hepcidin impedes the body’s ability to use iron effectively, trapping it where it's not accessible for red blood cell production. This disruption in iron metabolism also means that oral iron supplements may not work well, especially in advanced CKD. Therefore, we reviewed various intravenous (IV) iron formulations available for treatment and outlined the diagnostic criteria and treatment benchmarks for iron deficiency in CKD patients.

Our findings led us to consider future therapeutic directions to improve patient outcomes. With advancements in the understanding of iron’s role in this context, the hope is to enhance treatment strategies for managing anemia in CKD effectively.

References

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  2. Upadhyay RP, Chowdhury R, Mundra S, Taneja S, Jacob M, et al. Comparative effectiveness of daily therapeutic supplementation with multiple micronutrients and iron-folic acid versus iron-folic acid alone in children with mild-to-moderate anaemia in rural India: an open-label, randomised controlled trial. Lancet Glob Health. 2025;13:e497. doi:10.1016/S2214-109X(24)00559-X
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  16. Fijn R, Ablij HC, Knoester PD, Witte AMC. Real-world evaluation of an intravenous iron service for the treatment of iron deficiency with or without anemia. Sci Rep. 2025;15:12093. doi:10.1038/s41598-025-85880-9
  17. Bhutta ZA, Keats EC, Owais A, González-Fernández D, Udomkesmalee E, et al. What works for anemia reduction among women of reproductive age? Synthesized findings from the exemplars in anemia project. Am J Clin Nutr. 2025;121 Suppl 1:S68. doi:10.1016/j.ajcnut.2024.11.031
  18. Owais A, Habib A, Ahsan H, Merritt CE, Lee C, et al. Drivers of anemia reduction among women of reproductive age in Pakistan: a mixed-methods country case study. Am J Clin Nutr. 2025;121 Suppl 1:S46. doi:10.1016/j.ajcnut.2024.04.037
  19. Duan Y, Xu Y, Wei Y, Liu T, Xu T, et al. Bilateral segmental testicular infarction secondary to iron deficiency anemia: a case report. BMC Urol. 2025;25:70. doi:10.1186/s12894-025-01756-0
  20. Warner MA, Johnson ML, Hanson AC, Fortune E, Flaby GW, et al. Practical Anemia Bundle and Hemoglobin Recovery in Critical Illness: A Randomized Clinical Trial. JAMA Netw Open. 2025;8:e252353. doi:10.1001/jamanetworkopen.2025.2353
  21. Hidayat MT, Khadijah Maharani SN, Ramadhany ID, Khairani NI, Rahman NA, et al. Controlled release of deferiprone using iron-responsive nanoparticles integrated with dissolving microneedle for novel alternative treatments of β-thalassemia major. Eur J Pharm Biopharm. 2025;210:114702. doi:10.1016/j.ejpb.2025.114702
  22. Al-Taiar A, Ziyab AH, Hammoud MS, Al-Sabah R, Akhtar S. Anemia in pregnant women: findings from Kuwait birth cohort study. BMC Pregnancy Childbirth. 2025;25:326. doi:10.1186/s12884-025-07439-w
  23. Sohn SH, Sul H, Kim B, Zang D. Effects of Darbepoetin Alfa and Ferric Derisomaltose Plus Darbepoetin Alfa in Functional Iron-Deficiency Anemia. Int J Mol Sci. 2025;26. doi:10.3390/ijms26052203
  24. Nagao T, Takahashi K, Takahashi S, Yokomizo R, Samura O, et al. Low-dose ferric carboxymaltose vs. oral iron for improving hemoglobin levels in postpartum East Asian women: A randomized controlled trial. PLoS One. 2025;20:e0319795. doi:10.1371/journal.pone.0319795
  25. Ozeki Y, Kato J, Ohta Y, Taida T, Horio R, et al. [Efficacy and safety of ferric carboxymaltose in patients with inflammatory bowel disease]. Nihon Shokakibyo Gakkai Zasshi. 2025;122:196. doi:10.11405/nisshoshi.122.196
  26. Gao Z, Gao Y, Wang Q, Wang Q, Lu P, et al. Study on HIF-PHI combined with iron supplement in treatment of renal anemia in rats. BMC Nephrol. 2025;26:125. doi:10.1186/s12882-025-04045-y
  27. Liu X, Sun A, Zheng X, Xia M, Liu Y, et al. Combined morphological and molecular approaches to the clinical diagnosis of Necator americanus infection: a case report. J Med Case Rep. 2025;19:100. doi:10.1186/s13256-025-05105-5
  28. Zhang H, Sun W, Qi J, Qayum A, Li J, et al. Antianemic Activity, Inhibition of Oxidative Stress, and Iron Supplementation in Mice with Iron-Deficiency Anemia through HG-Hawthorn Pectin-Iron(III) Complexes. ACS Appl Bio Mater. 2025;8:2419. doi:10.1021/acsabm.4c01905
  29. Dogan Y, Dede AM, Erdoğan A. An unusual association: gastric xanthelasma presenting with iron deficiency anemia: a case report. J Med Case Rep. 2025;19:98. doi:10.1186/s13256-025-05133-1
  30. Merga RT, Birhane M, Dhinsa M, Muleta B, Jemal J, et al. Determinants of compliance with iron-folic acid supplementation among pregnant mothers in Bule Hora district, Southern Ethiopia: unmatched case-control study. BMC Public Health. 2025;25:832. doi:10.1186/s12889-025-22005-x
  31. Weeks CJ, Mian M, Stokes M, Gold M, Shah A, et al. The Role of Ferritin and Folate in Determining Stem Cell Collection for Autologous Stem Cell Transplant in Multiple Myeloma. Hematol Rep. 2025;17. doi:10.3390/hematolrep17010005
  32. Taye M, Mohammed T, Taye W, Glagn M, Yihune M. Compliance with iron-folate supplementation among pregnant women in Southern Ethiopia: a multi-center cross-sectional study. Reprod Health. 2025;22:22. doi:10.1186/s12978-025-01944-z
  33. Anato A, Reshid M. Effect of nutrition education and iron-folic acid supplementation on anemia among pregnant women in Ethiopia: a quasi-experimental study. Sci Rep. 2025;15:3556. doi:10.1038/s41598-025-87957-x
  34. Kant SB, Bashir R, Khan B, Shabbir NA, Nizami AA, et al. A Cross-Sectional Study of the Maternal Health Factors: The Interplay Between Breastfeeding Patterns, Gut Microbiota, Anemia, and Cardiovascular Risk in Lactating Mothers. Cureus. 2024;16:e76316. doi:10.7759/cureus.76316
  35. Belhaj R, Maaloul I, Kolsi R, Rekik T, Chabchoub I, et al. Study of clinical manifestations and etiologies of megaloblastic anemia in children. Transfus Clin Biol. 2025. doi:10.1016/j.tracli.2025.01.006
  36. Moreira AP, Vasconcelos M, Costa E Silva T, Relvas C, Espírito Santo J. An Unusual Case of Hemolytic Anemia: A Case Report. Cureus. 2024;16:e75676. doi:10.7759/cureus.75676
  37. Kataria S, Kataria S, Chougule D, Bharti B, Rastogi A. Evaluating the Impact of an Iron Supplementation Program for Combating Anemia in School-Age and Adolescent Females by a Grassroots Organization in India. Cureus. 2024;16:e75608. doi:10.7759/cureus.75608
  38. Bolka A, Bosha T, Gebremedhin S. Effect of School-Based Weekly Iron and Folic Acid Supplementation Program on the Serum Folate Status of Adolescent Girls in Sidama Region, Southern Ethiopia: Comparative Cross-Sectional Study. Food Nutr Bull. 2025. doi:10.1177/03795721241304475
  39. Chillo SL, Woldesemayat EM, Dangisso MH. Intermittent versus daily oral iron folic acid supplementation and pregnancy outcome in low- and middle-income countries: a systematic review and meta-analysis of experimental studies. Reprod Health. 2025;22:2. doi:10.1186/s12978-024-01917-8
  40. Kaneko M, Masuda Y, Ishikawa K, Shikata H. Coexistence of Cold Agglutinin and Cryoglobulin in a Patient With Severe Anemia Following COVID-19 Infection. Cureus. 2024;16:e75257. doi:10.7759/cureus.75257
  41. Contreras R, Méndez GP, Mujica J, Padilla C, Selamé ME, et al. [Paroxysmal Nocturnal Hemoglobinuria: A Rare but Treatable Cause of Acute Kidney Injury. Case Report]. Rev Med Chil. 2024;152:627. doi:10.4067/s0034-98872024000500627
  42. Singh G, Ranjitha R, Baskaran P, Goel AD, Gupta MK, et al. Family-centered Health Education Intervention for Improving Iron-folic Acid Adherence and Anemia Reduction among Antenatal Mothers in Rural Jodhpur: A Quasi-experimental Study. Indian J Public Health. 2024;68:495. doi:10.4103/ijph.ijph_844_23
  43. Zhang C, Cha R, Long K, Liu Y, Dong Y, et al. Functionalized Iron Oxide Nanoparticles for Both Dual-Modal Imaging and Erythropoiesis. ACS Appl Mater Interfaces. 2024;16:68905. doi:10.1021/acsami.4c15206
  44. Mswelo VE, David MM, Banturaki A, Munyambalu DK, Hassan HA, et al. Rural health challenges in Western Uganda: pernicious anemia masquerading as recurrent lower limb weakness-a case report. J Med Case Rep. 2025;19:60. doi:10.1186/s13256-025-05095-4
  45. Sachdeva M, Purohit A, Malik M, Jain L, Pradhan P, et al. Comparison of Efficacy and Safety of Parenteral vs Oral Route of Vitamin B12 Supplementation for the Treatment of Vitamin B12 Deficiency Anemia in Children: A Systematic Review. Nutr Rev. 2025. doi:10.1093/nutrit/nuae227
  46. Obeid R, Geisel J, Pietrzik K, Andres E. A Framework to Guide Defining an Upper Threshold of Crystalline Vitamin B12 in Foods and Food Supplements. Curr Nutr Rep. 2025;14:32. doi:10.1007/s13668-025-00622-7
  47. Hirakata K, Ishii Y, Yoshida T, Tanaka F, Nakae Y. [A case of diagnosed pernicious anemia and subacute combined degeneration of the spinal cord with abnormally elevated serum vitamin B12]. Rinsho Shinkeigaku. 2025;65:120. doi:10.5692/clinicalneurol.cn-002023
  48. Goncalves H, De Oliveira Simões F, Sá R, Fraga Campos B, Domingues RM, et al. Severe Symptomatic Anemia as a Rare Initial Manifestation of Type 3 Polyglandular Autoimmune Syndrome: A Case Report. Cureus. 2024;16:e75800. doi:10.7759/cureus.75800
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