This is a high-dose **Iron** supplement built specifically for correcting deficiency — you're getting 85mg per tablet, nearly double the 45mg tolerable upper limit, which puts it firmly in the therapeutic range used under medical supervision for iron-deficiency anemia. The iron comes as an amino acid chelate, a well-absorbed form that's gentler on your stomach than basic iron salts. The slow-release format helps further by spreading absorption over time to reduce GI discomfort.

The supporting cast is deliberately chosen for blood health. **Vitamin C** at 300mg significantly boosts iron absorption — that's a clinically meaningful dose on its own. **Folate** (400mcg as methylfolate) and **Vitamin B12** (500mcg as methylcobalamin) are both in bioactive forms your body uses directly, and both are essential for red blood cell production. The full B-vitamin panel rounds things out for energy metabolism.

At 85mg, this is not a maintenance iron product — it's designed for people with confirmed deficiency or anemia. If your ferritin levels are normal, this dose is well above what you'd want to take unsupervised. Check with your provider before starting, and consider retesting after a few months to see if you can step down.

BioStacks
NaturesPlus

Hema-Plex Iron, 30 Slow-Release Tablets

1 Tablet · 30 servings · $0.51/serving

iHerbAmazon

Best for

EnergyGeneral Health

Ingredients (19)

Folate

100%

Dose

667 mcg

Target

400–800 mcg

Form

Premium

Vitamin B12

100%

Dose

500 mcg

Target

250–5000 mcg

Form

Premium

Iron

100%

Dose

85 mg

Target

15–45 mg

Form

Standard

Copper

100%

Dose

2000 mcg

Target

1000–2000 mcg

Form

Standard

Manganese

100%

Dose

5 mg

Target

1.8–5 mg

Form

Standard

Other Ingredients (15)

Magnesium StearateLubricant

A salt of stearic acid used as a lubricant in tablet and capsule production

ShellacCoating

Natural resin secreted by the lac bug, used as a coating and glazing agent for tablets and pills

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

SpinachFood

Dried spinach (Spinacia oleracea) leaf powder, a whole-food green.

Spirulina Extract (Color)Colorant

Natural blue colorant derived from the cyanobacterium Arthrospira platensis (spirulina); the pigment is phycocyanin

Calcium CarbonateBuffer

Common calcium salt used as a buffering agent, filler, or mineral fortification in supplements

Sodium Copper ChlorophyllinColor

Water-soluble semisynthetic chlorophyll derivative used as a green colorant

Calcium CarbonateBuffer

Common calcium salt used as a buffering agent, filler, or mineral fortification in supplements

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.

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