Optimal Vitamin B by Longevity Medical Clinic — Ingredients, Evidence & Safety

🟢 97/100

This product looks safe

Niacinamide: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)
75% of ingredients have research evidence

C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Niacinamide: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)

Label Data

1 Capsule(s) Serving Size

120 Servings

Other Combinations Product Type

75% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C

250 mg (416% DV)

Thiamine

50 mg (3334% DV)

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

RDA 1.2mg This product: 50mg

Riboflavin

50 mg (2941% DV)

📊 38.5× RDA — above typical dose 📚 12 studies (Tier A: 0, B: 1)

RDA 1.3mg This product: 50mg

Niacinamide

50 mg (250% DV)

⚠️ Exceeds Tolerable Upper Intake Level by 1.4× (UL: 35 mg) 📚 193 studies (Tier A: 5, B: 63)

RDA 14mg This product: 50mg UL 35mg

Vitamin B6

50 mg (2500% DV)

📊 38.5× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)

RDA 1.3mg This product: 50mg UL 100mg

Folic Acid

200 mcg (50% DV)

✅ Within RDA (0.5× RDA of 0.4 mg) 📚 225 studies (Tier A: 10, B: 105)

RDA 0.4mg This product: 0.2mg UL 1.0mg

Vitamin B12

100 mcg (1667% DV)

📊 41.7× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)

RDA 0.0024mg This product: 0.1mg

Biotin

50 mcg (17% DV)

✅ 1.7× RDA — within safe limits 📚 26 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 📚 1 studies — no high-quality reviews

RDA 5mg This product: 100mg

Choline Bitartrate

50 mg

✅ Within RDA (0.1× RDA of 550 mg) 📚 36 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

Para-Aminobenzoic Acid

50 mg

📊 Market median: 500.0mg (9 products)

This product: 50mg

Other Ingredients

Hypromellose Silicon Dioxide Gelatin Water, Purified

Label Claims — Verification

❓ Nutrient

❓ All Other

❓ Structure/Function

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

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Recommendations: Take one (1) capsule twice daily with food, or as directed by your Longevity physician.

⚠️ Warnings & Precautions

Tamper evident. Do not use if seal is broken.

Keep out of reach of children.

Consult your physician if you are pregnant or breastfeeding before using this product.

🧪 Formulation Notes

The B-vitamins in Longevity's Optimal Vitamin B work together to metabolize proteins, carbohydrates, and fats, and to provide the body with energy. They support a healthy nervous system, mood, and mental focus; are essential to the production of hormones and red blood cells; support healthy homocysteine levels; and have numerous other vital biochemical functions throughout the body.