Nature's Bounty Iron, 65mg, Tablets - 100.0 ea Review

Nature's Bounty Iron 65mg, 325mg Ferrous Sulfate, 100 Tablets is a supplement in tablet form from the brand Nature's Bounty, listed on Amazon under Health & Household, Vitamins, Minerals & Supplements, Minerals, and Iron. The page describes the product as a necessary component of hemoglobin, the oxygen carrier responsible for delivering oxygen to the cells, including muscle cells. The listing states that Nature's Bounty Iron helps promote normal red blood cell production and helps maintain energy utilization, supporting users in feeling their best. The page also says that everyone needs iron, but pregnancy and menstruation may increase iron requirements, and that iron is often recommended as a mineral supplement for women. According to the listing, the product offers the daily nutritional support that is needed. Another bullet states that taking a daily iron supplement with ferrous sulfate helps provide the body with the iron it needs for daily functioning. The brand describes the product as the result of 50 years of dedication to quality, consistency and scientific research, aiming for vitamins and nutritional supplements of unrivaled excellence. The product details on the page list the item form as tablets, primary supplement type as iron, flavor as unflavored, product benefit as energy management, diet type as gluten free, and concentration as 325 mg. The supplement formulation is listed as an individual supplement. The unit count is 100 count, with one item, an item volume of 100 centiliters, and an item weight of 1.92 ounces. The materials section lists paraben free and allergen-free. The title text describes Cellular Energy Support, Promotes Normal Red Blood Cell Production, 1 Serving Per Day, Gluten Free, and 100 Vegetarian Tablets. The age range is listed as adult. The manufacturer is listed as Nature's Bounty. The seller is Amazon.com, shipped by Amazon.com, with a one-time purchase price of $3.72 and a Subscribe and Save price of $3.53. The item is non-returnable due to food safety reasons. The listing shows a rating of 4.7 out of 5 stars from 36,695 ratings.

Product Focus: Focus and MemoryAlso covers:Brain
Tier ⓘ
Members see this product's tier and why. Tiers run from 1, the strongest evidence, to 5. How we grade →
Evidence ⓘ
How strongly the evidence says this product works: human studies count most, then real reviews, then our biohacker panel.
Positive Reviews
Biohacker Mentions
Cost per month
$1

Study, Trial or Testing Result Summary

MembersHuman studies

2 of these 39 human studies gave iron by drip, not by mouth.

Iron at 65 milligrams a day is close to the 80 milligrams used in studies. It seems to thinking mainly in people who are in iron. …

Members see the full analysis, checked against their own meds and goals. Start My 7-Day Free Trial →

Review Totals and Summary

Members39,284 reviews
39,284 reviews · Amazon 36,695 · ShopRite 1,155 · Walgreens 533 · CVS 288 · Vitacost 254 · Walmart 170 · Nature's Bounty website 97 · Kroger 92

Nature's Bounty Iron, 65mg, Tablets are generally very -received by customers, with about 37596 ratings across various stores, and an impressive of those giving 4 or 5 stars. Buyers frequently the product's effectiveness, of use, and value. **What it did for them** customers report a in their energy levels and a in fatigue after taking these iron tablets consistently. …

Members see the full analysis, checked against their own meds and goals. Start My 7-Day Free Trial →

Biohacker Summary

MembersWhat our biohacker panel says

Those who it focus on brain function, muscle, thyroid support, and women who are deficient or of reproductive age, and one panelist said he takes 10 milligrams of heme iron and noticed soreness in training. prefer iron from food, such as red meat, organ meats, and liver, because heme iron absorbs , and one pointed out that tea blocks absorption. …

Members see the full analysis, checked against their own meds and goals. Start My 7-Day Free Trial →

RAL Summary

MembersThe tier and why

The studies on iron for thinking : found than found a , infant trials and the largest review of women found , and the 1408-person review's did hold up, so a for this goal is shown. …

Members see the full analysis, checked against their own meds and goals. Start My 7-Day Free Trial →

More Details

MembersBody systems · Combine with · Possible side effects

Body systems: Nervous system, Blood. Combine with and possible side are for members.

Members see the full analysis, checked against their own meds and goals. Start My 7-Day Free Trial →

Supplement Facts

Iron 65 mg
Supplement Facts
Serving Size 1 Tablet
Servings Per Container 100
Amount Per Serving% Daily Value
Iron (as Ferrous Sulfate)65 mg361%

Other ingredients: Dried Ferrous Sulfate, Vegetable Cellulose, Crospovidone. Contains <2% of: Maltodextrin, Silica, Triacetin, Vegetable Magnesium Stearate.

Directions: For adults, take one (1) tablet daily, preferably with a meal.

Label source: Naturesbounty · Report a label change

Where to Buy

Nature's Bounty · Amazon · Vitacost
Nature's BountyBuy ↗
AmazonBuy ↗
VitacostBuy ↗

We sell no supplements. Prices change; check the store.

More focus and memory products

MembersThe highest ranked for the same goal

Read more

Our articles on this subject

Graded October 28, 2026 by the Reverse Age Lab evidence engine, from human studies, real reviews and our biohacker panel. How we grade. Is this medical advice? No. Rala organizes the published evidence; go over any change with your doctor, especially if you take meds.