$11.95 $0.41 per serving
Product analysis
Ener-C Tangerine Grapefruit supplies vitamin C and B vitamins that support normal immune function and help the body use food for energy, particularly when intake is low. Several mineral forms are unspecified, which makes comparison with other supplements harder.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality28
Several mineral and vitamin forms are unspecified, which limits comparisons of how well the body may use them. Named forms elsewhere in the blend do not by themselves establish better absorption.
Ingredient Transparency75
Ingredient amounts are stated, but many forms are unspecified. You can compare serving quantities more easily than the precise nutrient sources.
Value For Money49
Value varies across the blend, with more favorable serving costs for iodine and potassium than for vitamin A. Cost comparisons for several other ingredients remain uncertain.
Customer Satisfaction69
Customer feedback is positive. The modest number of ratings means the picture may change as more buyers respond.
Product Focus43
The broad nutrient mix mainly supports normal immune function and the use of food for energy. Benefits are clearest when it fills a dietary gap, rather than adding extra energy when intake is already adequate.
- Format
Powder - Container
- 30 Packet(s)
- Per serving
- $0.41
- Customer rating
- 4.6 · 94 ratings
Goals
Impact
High effect
Folate · 40 mcgVitamin B12 · 25 mcgMagnesium · 60 mgZinc · 5 mgVitamin C · 1000 mg
Impact
Moderate effect
Zinc · 5 mgVitamin C · 1000 mgVitamin E · 15 IU
Impact
Moderate effect
Vitamin E · 15 IUVitamin C · 1000 mg
Impact
Moderate effect
Iodine · 150 mcgVitamin B5 · 2.5 mgMagnesium · 60 mgVitamin B12 · 25 mcgPotassium · 200 mg
Vitamin B5 Not classified
No linked studies yet.
Impact
Moderate effect
Zinc · 5 mgVitamin E · 15 IUVitamin C · 1000 mgVitamin A · 2500 IU
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Calories | 25 {Calories} | |
Total Carbohydrates | 5 Gram(s) | |
Vitamin C (Mineral Ascorbate mix) | 1000 mg | |
Vitamin A (Vitamin A Acetate) | 2500 IU | |
Vitamin E (Alpha-Tocopheryl Acetate) | 15 IU | |
Vitamin B3 (Niacin) | 5 mg | |
Vitamin B6 (Pyridoxine) | 2 mg | |
Folate | 40 mcg | |
Vitamin B12 (Cyanocobalamin) | 25 mcg | |
Pantothenic Acid | 2.5 mg | |
Calcium | 50 NP | |
Phosphorus | 38 mg | |
Iodine | 150 mcg | |
Magnesium | 60 mg | |
Zinc | 5 mg | |
Manganese | 0.5 mg | |
Chromium | 12 mcg | |
Potassium | 200 mg |
Vitamin C (Mineral Ascorbate mix) · 1000 mg OverallScore71
The serving provides 1000 mg of vitamin C at a moderate cost per gram. The blend is buffered, but its individual forms and proportions are unspecified. It contains sweeteners.
How this ingredient is rated
Active Ingredient Quality & Bioavailability83
The blend is buffered, but its individual forms and proportions are unspecified.
Vitamin C Chemical Form & Delivery System
It uses a mineral ascorbate blend with unspecified components.
Gastric Comfort & pH Balance
Mineral ascorbates are buffered forms.
Dose, Safety & Label Transparency71
The serving provides 1000 mg of vitamin C. It contains sweeteners.
Optimal Dosage Targeting
Each serving provides 1000 mg of vitamin C.
Purity & Excipient Quality
It contains sweeteners.
Mineral & Source Transparency
The vitamin C amount is stated, but the blend’s individual mineral sources are unspecified.
Value50
The cost per gram of vitamin C is moderate; it uses the full serving price.
Price per Gram of Vitamin C
The cost per gram of vitamin C is moderate; it uses the full serving price.
Iodine · 150 mcg OverallScore80
The serving provides 150 mcg iodine at a fairly low cost per serving, an amount consistent with daily thyroid maintenance. The chemical form of iodine is unknown.
How this ingredient is rated
Active Ingredient Quality & Bioavailability61
The chemical form of iodine is unknown. Marine-source purity is not applicable to the recorded source.
Iodine Form & Bioavailability
The chemical form of iodine is unknown.
Marine Source Purity & Sourcing
Marine-source purity is not applicable to the recorded source.
Dose, Safety & Label Transparency100
The serving states 150 mcg iodine, an amount consistent with daily thyroid maintenance. The 150 mcg serving is below the adult upper intake level.
Dosage Efficacy for Daily Support
150 mcg iodine per serving is an amount consistent with daily thyroid maintenance.
Dosage Safety & Upper Limits
The 150 mcg serving is below the adult upper intake level.
Elemental Iodine Transparency
The iodine amount per serving is stated.
Value80
The cost per serving is fairly low.
Price Per Effective Serving
The cost per serving is fairly low.
Vitamin A (Vitamin A Acetate) · 2500 IU OverallScore49
Ener-C Tangerine Grapefruit provides 2500 IU of vitamin A per serving at a high cost for the amount. The vitamin A form is Retinyl Acetate.
How this ingredient is rated
Active Ingredient Quality & Bioavailability30
The vitamin A form is Retinyl Acetate.
Vitamin A Chemical Form & Source
The vitamin A form is Retinyl Acetate.
Dose, Safety & Label Transparency82
The serving provides 2500 IU of vitamin A. The vitamin A source is named as Retinyl Acetate.
Dosage Efficacy & Safety Thresholds
The serving provides 2500 IU of vitamin A.
Label Transparency of Specific Forms
The vitamin A source is named as Retinyl Acetate.
Value20
The cost is high for the amount of vitamin A provided.
Price per 5,000 IU Dose
The cost is high for the amount of vitamin A provided.
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Sources
Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.
- Association of radioactive iodine treatment with survivorship symptoms and primary care utilisation in women of reproductive age with thyroid cancer: a retrospective cohort study.
- Energy level and fatigue after surgery for thyroid cancer: A population-based study of patient-reported outcomes.
- Health-Related Quality of Life in Differentiated Thyroid Cancer Survivors: A Cross-Sectional Study From Turkey.
- Magnesium-L-threonate improves sleep quality and daytime functioning in adults with self-reported sleep problems: A randomized controlled trial.
- Total magnesium intake and risk of frailty in older women.
- Red blood cell magnesium and chronic fatigue syndrome.
- Exercise, magnesium and immune function.
- [Efficacy of potassium N-acetylaminosuccinate (Cogitum) in the treatment of asthenic syndrome: results of double-blind placebo-controlled trial].
- Human resting energy expenditure in relation to dietary potassium.
- A new perspective on vitamin B12 deficiency in rheumatology: a case-based review.
- Effects of Vitamin B12 Supplementation on Cognitive Function, Depressive Symptoms, and Fatigue: A Systematic Review, Meta-Analysis, and Meta-Regression.
- Patients' experiences with methylcobalamin injections in amyotrophic lateral sclerosis.
- Cobalamin deficiency: clinical picture and radiological findings.
- Vitamin B12 Deficiency: Common Questions and Answers.
- Intakes of Folate, Vitamin B6, and Vitamin B12 in Relation to All-Cause and Cause-Specific Mortality: A National Population-Based Cohort.
- The responsiveness of plasma homocysteine to small increases in dietary folic acid: a primary care study.
- Associations of Serum Folate and Homocysteine Concentrations with All-Cause, Cardiovascular Disease, and Cancer Mortality in Men and Women in Korea: the Cardiovascular Disease Association Study.
- The concept of folic acid supplementation and its role in prevention of neural tube defect among pregnant women: PRISMA.
- Systematic review of adverse health outcomes associated with high serum or red blood cell folate concentrations.
- Perioperative systemic magnesium to minimize postoperative pain: a meta-analysis of randomized controlled trials.