Is 100 mg of Thiamine safe?

This is 83.3× the recommended daily intake of 1.2 mg. While above typical doses, it may still be within safe limits (UL: None mg).

Is 100 mg of Riboflavin safe?

This is 76.9× the recommended daily intake of 1.3 mg. While above typical doses, it may still be within safe limits (UL: None mg).

Is 100 mg of Niacin safe?

No — this amount exceeds the Tolerable Upper Intake Level of 35 mg by 2.9×. The recommended daily intake is 14 mg.

Is 100 mg of Vitamin B6 safe?

This is 76.9× the recommended daily intake of 1.3 mg. While above typical doses, it may still be within safe limits (UL: 100 mg).

Super Stress B-Complex With C-500 by Nature's Bounty — Ingredients, Evidence & Safety

🟢 88/100

This product is generally safe

Niacin: 100mg is 2.9× the Tolerable Upper Intake Level (35mg)
Contains proprietary blend — exact ingredient amounts not disclosed
71% of ingredients have research evidence

C Label Compliance Grade

What the Evidence Says

Vitamin C and B-complex vitamins support energy metabolism and immune function, with strong evidence supporting their role in cellular health. These ingredients are generally well-tolerated, though the overall evidence coverage for this specific formulation is limited. The profile maintains a high safety score.

AI-generated summary based on research evidence. Not medical advice.

Product Label

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Safety Alerts

⚠️ Niacin: 100mg is 2.9× the Tolerable Upper Intake Level (35mg)

ℹ️ Contains proprietary blend — exact ingredient amounts not disclosed

Label Data

1 Tablet(s) Serving Size

Other Combinations Product Type

71% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C

500 mg (833% DV)

Thiamine

100 mg (6667% DV)

📊 83.3× RDA — above typical dose 📚 76 studies (Tier A: 0, B: 33)

RDA 1.2mg This product: 100mg

Riboflavin

100 mg (5882% DV)

📊 76.9× RDA — above typical dose 📚 13 studies (Tier A: 0, B: 1)

RDA 1.3mg This product: 100mg

Niacin

100 mg (500% DV)

⚠️ Exceeds Tolerable Upper Intake Level by 2.9× (UL: 35 mg) 📚 196 studies (Tier A: 5, B: 63)

RDA 14mg This product: 100mg UL 35mg

Vitamin B6

100 mg (5000% DV)

📊 76.9× RDA — above typical dose (UL: 100 mg) 📚 114 studies (Tier A: 3, B: 35)

RDA 1.3mg This product: 100mg UL 100mg

Folic Acid

400 mcg (100% DV)

✅ Within RDA (1.0× RDA of 0.4 mg) 📚 226 studies (Tier A: 10, B: 105)

RDA 0.4mg This product: 0.4mg UL 1.0mg

Vitamin B12

500 mcg (8333% DV)

📊 208.3× RDA — above typical dose 📚 139 studies (Tier A: 1, B: 44)

RDA 0.0024mg This product: 0.5mg

Biotin

50 mcg (17% DV)

✅ 1.7× RDA — within safe limits 📚 27 studies (Tier A: 0, B: 11)

RDA 0.03mg This product: 0.05mg

Pantothenic Acid

100 mg (1000% DV)

📊 20.0× RDA — above typical dose 📚 2 studies — no high-quality reviews

RDA 5mg This product: 100mg

Choline Bitartrate

50 mg

✅ Within RDA (0.1× RDA of 550 mg) 📚 38 studies (Tier A: 1, B: 7)

RDA 550mg This product: 50mg UL 3500mg

Inositol

50 mg

📊 Market median: 550.0mg (217 products) 📚 29 studies (Tier A: 0, B: 5)

This product: 50mg

PABA

50 mg

📊 Market median: 500.0mg (9 products) 📚 7 studies — no high-quality reviews

This product: 50mg

Citrus Bioflavonoids

50 mg

📊 Market median: 500.0mg (283 products) 📚 174 studies (Tier A: 0, B: 62)

This product: 50mg

Proprietary Blend

5 mg

Other Ingredients

Vegetable Cellulose Contains Less Than 2% of

Label Claims — Verification

❓ Nutrient

❓ All Other

❓ Structure/Function

All Other (99% of products) Structure/Function (83% of products) Nutrient (54% of products)

Target Groups

Vegetarian Adult (18 - 50 Years)

Product Information

📋 Directions for Use

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

⚠️ Warnings & Precautions

Keep out of reach of children.

WARNING: Not intended for use by pregnant or nursing women.

Avoid this product if you are allergic to yeast.

Contains wheat and soy ingredients.

Discontinue use and consult your doctor if any adverse reactions occur.

Do not use if seal under cap is broken or missing.

If you are taking any medications, consult your doctor before use.

🧪 Formulation Notes

Suitable for Vegetarians

Additional Information

Store at room temperature.

COATED FOR EASY SWALLOWING

Prod. No. 332 06F B330

Supports Nervous System Health*

These tablets provide a high-potency complex of B vitamins to help safeguard a sufficient daily intake. The B complex contributes to the health of the nervous system.* The B vitamins also play a role in energy metabolism in the body.* Choline and Inositol are also included.* Vitamin C plays an important role in supporting immune function.* As an antioxidant, Vitamin C helps neutralize harmful free radicals in cells.*

TIME RELEASED

LABORATORY TESTED GUARANTEED QUALITY

NATURE'S BOUNTY(R)