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Fisol Fish Oil

Nature's Way
4.8
★ ★ ★ ★ ★
(110 ratings)
Fish Oil 500 mg
Product Image
Score57
Small softgels and a long supply support convenience. Potency, source, and quality controls are not disclosed.
How scoring works
Quantity:180 Softgel(s) • (180 servings)
Goals:
Cardiovascular Support

Score 57

Small softgels and a long supply support convenience. Potency, source, and quality controls are not disclosed.
How scoring works
$25.29($0.14 per serving)
Pure Formulas
$ 26.91
iHerb
$ 27.05
Vitacost
$ 25.29
Vitacost
$ 27.49
Report prices

Analysis

One small softgel provides 500 mg of fish oil, offering an easy-to-take format and a low total oil amount. Fish-derived omega-3 fats may support cardiovascular and inflammatory pathways, but those effects depend mainly on the actual EPA and DHA delivered rather than total oil weight.

The label supplies no EPA, DHA, molecular form, source, purification, testing, or oxidation-control information. A 180-serving bottle lowers refill frequency and cost, but unknown active potency prevents a useful value judgment.

The product fits users who accept a general fish-oil serving without verified active-fatty-acid potency. Better-labeled alternatives are easier to compare when a specific EPA or DHA target matters.

Who is it for
  • Adults seeking general marine-oil supplementation
  • Users who prefer softgel or capsule delivery
  • People without fish allergy
Best for
  • General fish-oil use
  • Broad cardiovascular support
  • Marine-fat supplementation without a specific EPA or DHA target

Pros

  • Small one-softgel serving
  • Very long 180-serving supply
  • Low serving cost

Cons

  • Low total fish-oil amount
  • EPA and DHA are not quantified
  • No source, form, or testing details

Warnings

  • Contains fish-derived oil and may not suit people with fish allergy.

Nutrient quality

55 Moderate impact

Separate EPA and DHA amounts are missing, so active potency and concentration cannot be verified from total oil weight. The label does not identify fish species, molecular form, purification, or independent testing.

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Ingredient transparency

44 Lower impact

The total oil amount is disclosed, but the key EPA and DHA constituents are not quantified. Serving count is available, while complete usage directions, excipients, and several source-quality details are absent.

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Customer satisfaction

63 Moderate impact

The supplied aggregate rating is strong, though confidence depends on the available review volume. No review text is provided to identify recurring complaints or firsthand experiences such as fishy aftertaste or capsule tolerance.

.

Value for money

72 High impact

The listed serving economics appear favorable, but missing EPA and DHA amounts prevent an effective-dose comparison. The focused oil formula avoids unrelated active additions.

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Report analysis

Goals

Cardiovascular Support
Cardiovascular Support
Impact
Moderate effect
B+ Goal FitF Strength of SupportF CoverageB+ Formula Quality
Fish Oil · 500 mg

Fish oil has strong cardiovascular relevance in principle, but the label omits EPA and DHA amounts. Total oil weight alone cannot establish an effective omega-3 dose.

Molecular form, purification, testing, sourcing, and oxidation protection are also undisclosed. The narrow formula is simple, yet its likely cardiovascular contribution cannot be verified.

Study evidence
Fish Oil Supportive 185 studies

Ingredients

IngredientAmount per serving
Calories
5 Calorie(s)
Total Fat
0.5 Gram(s)
Cholesterol
0 mg
Fish Oil
500 mg
Gluten Free Adults 18–50 Dairy Free
Report overview
Fish Oil · 500 mg OverallScore3
F Active Ingredient Quality & BioavailabilityF Dose, Safety & Label TransparencyF Value

The label provides only a total fish-oil amount and omits EPA and DHA. No molecular-form, sourcing, purification, testing, or oxidation details support a quality assessment. A low serving cost does not establish value when the active omega dose is unknown.

View ingredientView products
Loading alternative details
82 Performance

Ultra Strength One-per-Day RxOmega-3

Natural Factors
<p>Its label clearly provides 1.50 g of Total Fat, making it a more clearly defined fish oil option. Compared with the original, its ingredient and goal alignment is stronger, although the input does not provide independent testing or absorption evidence.</p>
84 Performance

Alaska Wild Fish Oil Mega Omega-3

21st Century
<p>Its label clearly provides 2 g of Total Fat, making it a more clearly defined fish oil option. Compared with the original, its ingredient and goal alignment is stronger, although the input does not provide independent testing or absorption evidence.</p>
63 Performance

UNIQUE OMEGA E+

A.C. Grace Company
<p>Its label clearly provides 40 mg of Coenzyme Q10 as Ubiquinone, making it a more clearly defined fish oil option. Compared with the original, its ingredient and goal alignment is stronger, although the input does not provide independent testing or absorption evidence.</p>
70 Budget

Fish Oil 1000 mg

Spring Valley
<p>Its label clearly provides 1 g of Total Fat, preserving relevant fish oil coverage. Compared with the original, it lowers the serving cost, although the input does not provide independent testing or absorption evidence.</p>
76 Budget

Omega-3 Fish Oil 1000 mg Lemon

Natrol
<p>Its label clearly provides 1 g of Total Fat, preserving relevant fish oil coverage. Compared with the original, it lowers the serving cost, although the input does not provide independent testing or absorption evidence.</p>
79 Budget

Omega-3 Fish Oil with Vitamin D 1000 mg Lemon Flavored

Swanson
<p>Its label clearly provides 1 g of Total Fat, preserving relevant fish oil coverage. Compared with the original, it lowers the serving cost, although the input does not provide independent testing or absorption evidence.</p>
87 Value

Omega-3

Solgar
<p>Its label clearly provides 2800 mg of Fish Oil Concentrate, keeping the formula relevant to fish oil. Compared with the original, the somewhat higher serving cost and ingredient detail create a useful quality-to-cost balance, although the input does not provide independent testing or absorption evidence.</p>
84 Value

Mega EPA/DHA

Life Extension
<p>Its label clearly provides 2 g of Total Fat, keeping the formula relevant to fish oil. Compared with the original, the somewhat higher serving cost and ingredient detail create a useful quality-to-cost balance, although the input does not provide independent testing or absorption evidence.</p>
82 Value

RxOmega-3

Natural Factors
<p>Its label clearly provides 1 g of Total Fat, keeping the formula relevant to fish oil. Compared with the original, the somewhat higher serving cost and ingredient detail create a useful quality-to-cost balance, although the input does not provide independent testing or absorption evidence.</p>
Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Marine Omega-3 Supplementation and Cardiovascular Disease: An Updated Meta-Analysis of 13 Randomized Controlled Trials Involving 127 477 Participants.
    Hu Y; Hu FB; Manson JE · Journal of the American Heart Association · 2020
    Meta-analysis127,477 participants13 studies pooledCardiovascular Support forFish Oil
  2. A systematic review of fish-oil supplements for the prevention and treatment of hypertension.
    Campbell F; Dickinson HO; Critchley JA; Ford GA; Bradburn M · European journal of preventive cardiology · 2013
    Meta-analysis1,524 participants17 studies pooledCardiovascular Support forFish Oil
  3. Vitamin D, Marine n-3 Fatty Acids, and Primary Prevention of Cardiovascular Disease Current Evidence.
    Manson JE; Bassuk SS; Cook NR; Lee IM; Mora S; Albert CM; Buring JE; VITAL Research Group · Circulation research · 2020
    Randomized trial25,871 participantsCardiovascular Support forFish Oil
  4. Marine n-3 fatty acid treatment for carotid plaques in patients with type 2 diabetes.
    Zhuang P; Liu X; Jia W; Zheng W; Wan X; Chen W; Gu J; Li Y; Lan X; Li H; Tong W; Wu Y; Wu X; Ao Y; Ye H; Wu F; Zhu L; Zhang L; Li Y; Meng D; Tian Y; Wang A; Wu S; Zhu F; Zhang Y; Shi H; Yu X; Zhang F; Zhang Y; Jiao J · Cardiovascular diabetology · 2026
    Randomized trial415 participantsCardiovascular Support forFish Oil
  5. Regular use of fish oil supplements and course of cardiovascular diseases: prospective cohort study.
    Chen G; Qian ZM; Zhang J; Zhang S; Zhang Z; Vaughn MG; Aaron HE; Wang C; Lip GY; Lin H · BMJ medicine · 2024
    Cohort study415,737 participantsCardiovascular Support forFish Oil
  6. Fish oil, enriched with polyunsaturated fatty acids of the omega-3-type accelerates the nucleation time in healthy subjects.
    Janowitz P; Swobodnik W; Wechsler JG; Janowitz A; Saal D; Ditschuneit H · Klinische Wochenschrift · 1991
    Non-randomized trial24 participantsCardiovascular Support forFish Oil
  7. Impact of omega-3 fatty acids on hypertriglyceridemia, lipidomics, and gut microbiome in patients with type 2 diabetes.
    Lu J; Liu R; Ren H; Wang S; Hu C; Shi Z; Li M; Liu W; Wan Q; Su Q; Li Q; Zheng H; Qu S; Yang F; Ji H; Lin H; Qi H; Wu X; Wu K; Chen Y; Xu Y; Xu M; Wang T; Zheng J; Ning G; Zheng R; Bi Y; Zhong H; Wang W · Med (New York, N.Y.) · 2025
    Randomized trial309 participantsCardiovascular Support forFish Oil
  8. Effects of fish oil-derived fatty acids on suboptimal cardiovascular health: A multicenter, randomized, double-blind, placebo-controlled trial.
    Zeng Q; Dong SY; Liu YP; Fu J; Shuai P; Zhao ZM; Li TX · Nutrition, metabolism, and cardiovascular diseases : NMCD · 2017
    Randomized trial422 participantsCardiovascular Support forFish Oil
  9. Effect of High-Dose Marine Omega-3 Fatty Acids on Atherosclerosis: A Systematic Review and Meta-Analysis of Randomized Clinical Trials.
    Sekikawa A; Cui C; Sugiyama D; Fabio A; Harris WS; Zhang X · Nutrients · 2020
    Meta-analysis6 studies pooledCardiovascular Support forFish Oil