Rainbow Light Complete B-Complex+™, 90 Tablets supplement bottle
Rainbow Light

Complete B-Complex+™, 90 Tablets

What We Researched
19 active ingredients analyzed · 6 inactive ingredients decoded · 6 brand certifications checked · 3 retailers compared · Last updated: Mar 2026
83
Product Score Good
86
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C (as magnesium ascorbate, amla fruit) 500 mg 556%
Thiamin (vitamin B-1) (as thiamin mononitrate) 60 mg 5000%
Riboflavin (vitamin B2) 70 mg 5385%
Niacin (as niacinamide) 100 mg 625%
Vitamin B6 (as pyridoxine hydrochloride) 80 mg 4706%
Folate (800 mcg folic acid) 1333 mcg DFE 333%
Vitamin B12 (as Methylcobalamin) 250 mcg 10,417%
Biotin 300 mcg 1,000%
Pantothenic Acid (as d-calcium pantothenate) 120 mg 2,400%
Choline (as bitartrate) 150 mg 27%
Calcium (as citrate) 50 mg 4%
Magnesium (as magnesium ascorbate) 190 mg 45%
Zinc (as chelate) 5 mg 45%
Manganese (as amino acid chelate) 3 mg 130%
Enhancing SuperfoodsBee pollen, organic spirulina, organic barley grass 340 mg **
Amino AcidsL-glutamine, L-methionine, L-theanine 300 mg
Organic Real Food NutrientsOrganic Spirulina, Organic Beet Root, Organic Broccoli, Organic Kale, Organic Spinach, Organic Blackberry, Organic Blueberry, Organic Carrot, Organic Cranberry 100 mg **
Citrus bioflavonoid extract 75 mg **
Inositol 50 mg **
Bioavailability Very Good

Absorption Rating

  • Vitamin C (as magnesium ascorbate, amla fruit) Good
  • Thiamin (vitamin B-1) (as thiamin mononitrate) Fair
  • Riboflavin (vitamin B2) Good
  • Niacin (as niacinamide) Good
  • Vitamin B6 (as pyridoxine hydrochloride) Fair
  • Folate (800 mcg folic acid) Fair
  • Vitamin B12 (as Methylcobalamin) Good
  • Biotin Good
  • Pantothenic Acid (as d-calcium pantothenate) Good
  • Choline (as bitartrate) Poor
  • Calcium (as citrate) Good
  • Magnesium (as magnesium ascorbate) Good
  • Zinc (as chelate) Fair
  • Manganese (as amino acid chelate) Good
  • Enhancing SuperfoodsBee pollen, organic spirulina, organic barley grass Fair
  • Amino AcidsL-glutamine, L-methionine, L-theanine Good
  • Organic Real Food NutrientsOrganic Spirulina, Organic Beet Root, Organic Broccoli, Organic Kale, Organic Spinach, Organic Blackberry, Organic Blueberry, Organic Carrot, Organic Cranberry Fair
  • Inositol Good
Other Ingredients Excellent

Fillers & Additives

  • Cellulose (Plant Origin)
  • Cellulose Gum
  • Vegetable Stearic Acid
  • Silica
  • Vegetable Magnesium Stearate
  • Organic Plant-Based Coating
Efficacy Fair

Dosage Analysis

  • Vitamin C (as magnesium ascorbate, amla fruit) 500 mg Effective
  • Thiamin (vitamin B-1) (as thiamin mononitrate) 60 mg Effective
  • Riboflavin (vitamin B2) 70 mg Effective
  • Niacin (as niacinamide) 100 mg High
  • Vitamin B6 (as pyridoxine hydrochloride) 80 mg Effective
  • Folate (800 mcg folic acid) 1333 mcg DFE High
  • Vitamin B12 (as Methylcobalamin) 250 mcg Effective
  • Biotin 300 mcg Effective
  • Pantothenic Acid (as d-calcium pantothenate) 120 mg Effective
  • Choline (as bitartrate) 150 mg Under-dosed
  • Calcium (as citrate) 50 mg Under-dosed
  • Magnesium (as magnesium ascorbate) 190 mg Under-dosed
  • Zinc (as chelate) 5 mg Under-dosed
  • Manganese (as amino acid chelate) 3 mg Effective
  • Amino AcidsL-glutamine, L-methionine, L-theanine 300 mg Under-dosed
  • Organic Real Food NutrientsOrganic Spirulina, Organic Beet Root, Organic Broccoli, Organic Kale, Organic Spinach, Organic Blackberry, Organic Blueberry, Organic Carrot, Organic Cranberry 100 mg Under-dosed
  • Inositol 50 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin C (as magnesium ascorbate, amla fruit) 500 mg 556%
Thiamin (vitamin B-1) (as thiamin mononitrate) 60 mg 5000%
Riboflavin (vitamin B2) 70 mg 5385%
Niacin (as niacinamide) 100 mg 625%
Vitamin B6 (as pyridoxine hydrochloride) 80 mg 4706%
Folate (800 mcg folic acid) 1333 mcg DFE 333%
Vitamin B12 (as Methylcobalamin) 250 mcg 10,417%
Biotin 300 mcg 1,000%
Pantothenic Acid (as d-calcium pantothenate) 120 mg 2,400%
Choline (as bitartrate) 150 mg 27%
Calcium (as citrate) 50 mg 4%
Magnesium (as magnesium ascorbate) 190 mg 45%
Zinc (as chelate) 5 mg 45%
Manganese (as amino acid chelate) 3 mg 130%
Enhancing SuperfoodsBee pollen, organic spirulina, organic barley grass 340 mg **
Amino AcidsL-glutamine, L-methionine, L-theanine 300 mg
Organic Real Food NutrientsOrganic Spirulina, Organic Beet Root, Organic Broccoli, Organic Kale, Organic Spinach, Organic Blackberry, Organic Blueberry, Organic Carrot, Organic Cranberry 100 mg **
Citrus bioflavonoid extract 75 mg **
Inositol 50 mg **

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Cellulose (Plant Origin) Safe

It is used as a filler, binder, or thickener.

Cellulose Gum Safe

Thickens and stabilizes supplement formulations.

Vegetable Stearic Acid Generally_safe

It is used to prevent ingredients from sticking to manufacturing equipment.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Vegetable Magnesium Stearate Safe

Prevents ingredients from sticking to equipment. Derived from vegetable sources.

Organic Plant-Based Coating Safe

It is used to coat tablets or capsules.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$22$19$17$14$11 Mar 12 $19.99$13.23
iHerb
Vitacost

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Rainbow Light

Founded 1981 · Santa Cruz, California, USA (Founding Location) · 60 products · rainbowlight.com/

Certifications

6 certifications
Clean Label Project Verified Source
Consumerlab Verified Source
Labdoor Verified Source
Fda Gmp Inspections Verified Source
Non Gmo Project Verified Source
Usda Organic Verified Source

Transparency

3 claims
Third Party Testing Claim — Verified Source
In House Testing — Verified Source

Violation History

2 incidents
Prop 65 Lead2019-08-15Source
Lawsuit False advertising regarding the presence of heavy metals in prenatal vitamins.2019Source
Related Supplements
Frequently Asked Questions
Is Rainbow Light Complete B-Complex+™, 90 Tablets a good supplement?

Rainbow Light Complete B-Complex+™, 90 Tablets received a product quality score of 83/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 19 active ingredients with 30 servings per container. Of the 6 inactive ingredients, 5 are rated safe and 0 are flagged for review. The manufacturer, Rainbow Light, holds a brand trust score of 86/100 with 6 verified certifications including Clean Label Project, Consumerlab, Labdoor, Fda Gmp Inspections.

What are the ingredients in Rainbow Light Complete B-Complex+™, 90 Tablets?

Rainbow Light Complete B-Complex+™, 90 Tablets contains 19 active ingredients: Vitamin C (as magnesium ascorbate, amla fruit) (500 mg), Thiamin (vitamin B-1) (as thiamin mononitrate) (60 mg), Riboflavin (vitamin B2) (70 mg), Niacin (as niacinamide) (100 mg), Vitamin B6 (as pyridoxine hydrochloride) (80 mg), Folate (800 mcg folic acid) (1333 mcg DFE), and 13 more. Notable high-dose ingredients include Vitamin C at 556% DV, Thiamin at 5000% DV, Riboflavin at 5385% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Rainbow Light Complete B-Complex+™, 90 Tablets safe to take?

Rainbow Light Complete B-Complex+™, 90 Tablets has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Rainbow Light a trustworthy supplement brand?

Rainbow Light receives a brand trust score of 86/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1981 and headquartered in Santa Cruz, California, USA (Founding Location), the company offers 60 products in their lineup. They hold 6 verified certifications including Clean Label Project, Consumerlab, Labdoor, Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Rainbow Light has 2 historical regulatory incidents on record, which are factored into the trust score.

How much vitamin d3 should i take daily?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

What does vitamin d do?

This is an important question for supplement consumers. The dietary supplement industry is largely self-regulated, which means product quality, ingredient transparency, and safety practices vary significantly between brands and products. The most reliable way to evaluate any supplement is to check for third-party testing certifications, review the full ingredient list and dosages, and research the brand's regulatory track record. GoodSupp's database of over 250,000 analyzed products provides independent quality scores, ingredient safety ratings, and brand trust reports to help you make evidence-based decisions.

How much vitamin d3 per day for a woman?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.