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Life Force Multiple

Source Naturals
4.6
★ ★ ★ ★ ★
(574 ratings)
Manganese 3 mg
Selenium 100 mcg
Vitamin B5 53 mg
Riboflavin 50 mg
Vitamin B6 50 mg
Niacin 50 mg
Molybdenum 100 mcg
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Score91

A bulk capsule multivitamin featuring liver-supportive cofactors, high-dose antioxidants, and bioactive B-vitamins.

How scoring works
Quantity:180 Capsule(s) • (45 servings)
Goals:
Immunity
Energy
General Health
Brain Health
Bone Health
Productivity Boost
Vision Support
Metabolism Boost

Score 91

A bulk capsule multivitamin featuring liver-supportive cofactors, high-dose antioxidants, and bioactive B-vitamins.

How scoring works
$32.86($0.73 per serving)
Vitacost
$ 33.17
iHerb
$ 32.86
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Analysis

Life Force is designed to support the liver and cellular defense through ingredients like NAC and Milk Thistle. The formula provides a broad antioxidant network with high doses of Vitamin C, tocotrienols, and astaxanthin to protect against daily environmental damage.

With active B-vitamins and diverse magnesium salts, it ensures that the core engines of energy production are well-fueled. It is a highly practical choice for individuals who want a comprehensive multivitamin that also provides therapeutic levels of liver and heart support nutrients.

Pros

  • Comprehensive 45-day bulk supply
  • Includes 150mg NAC for antioxidant defense
  • Features bioactive B6 (P5P)
  • Highly transparent regarding 50+ ingredients

Cons

  • Requires 4 capsules per day
  • Uses Vitamin K1 only
  • Synthetic form of B12 used

Warnings

  • Contains iron; keep away from children
  • Monitor total Vitamin A intake
  • May cause temporary change in urine color (B2)

Nutrient quality

87 Highest impact

Features chelated minerals and bioactive P-5-P, though the use of cyanocobalamin is a less active choice for B12. The inclusion of trace mineral chelates and standardized botanicals supports a high nutritional standard overall.

Ingredient transparency

97 Highest impact

Provides full dosage disclosure for every ingredient in this dense formula, ensuring high transparency. Clear naming of mineral complexes and extract sources assists in accurate product evaluation.

Customer satisfaction

89 Highest impact

Strong ratings from over 500 users demonstrate a high level of reliability and consumer trust. The feedback consistently indicates that the product meets user expectations for general health support.

Value for money

88 Highest impact

At $0.73 per serving for a large-count bottle, this provides a very economical long-term nutritional solution. The combination of ingredient diversity and quantity offers significant value relative to price.

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Goals

Impact
Highest effect
A Goal FitA Strength of SupportA- CoverageA- Formula Quality

Vitamin C, Vitamin D3, and Zinc provide foundational support for cellular vigilance and immune resilience. Selenium and green tea extract further assist in managing oxidative stress during immune challenges.

The combination of bioavailable minerals and standardized botanicals appears well aligned with daily defense needs. High doses of primary nutrients ensure meaningful contributions to the body's natural defense system.

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Impact
Highest effect
A Goal FitB+ Strength of SupportA CoverageB+ Formula Quality

Comprehensive nutritional support is achieved through a broad array of vitamins and minerals that target systemic inflammation and cellular energy. High levels of B-vitamins and a diverse mineral profile help fill dietary gaps to promote long-term resilience.

Zinc and selenium provide critical antioxidant defense, while the inclusion of green tea and silymarin offers secondary metabolic support. Formulations using a variety of mineral complexes ensure a wide functional reach, though the reliance on cyanocobalamin for B12 is less ideal than methyl forms.

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Impact
Highest effect
A Goal FitA- Strength of SupportB+ CoverageB+ Formula Quality

Delivers a broad spectrum of energy-supportive nutrients including high-potency B-vitamins, iron, and coenzyme Q10. These ingredients work together to support mitochondrial ATP synthesis and healthy oxygen delivery to active tissues.

Iron is provided in the bioavailable Ferrochel form, which appears well aligned with maintaining physical stamina. The formula targets multiple energy pathways through foundational vitamins and specialized metabolic cofactors for sustained vitality.

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Impact
Highest effect
A- Goal FitA- Strength of SupportA- CoverageB Formula Quality

Bioactive folate, coenzymated B6, and a cognitive blend of ginkgo and DMAE support multiple pathways for mental focus and neuroprotection. These foundational cofactors ensure superior tissue penetration and metabolic efficiency for maintaining sharp cognitive function.

Meaningful therapeutic dosages for foundational cofactors contribute effectively to neurological health maintenance. While exceptionally comprehensive and bioavailable, several acute nootropics are included at supportive maintenance levels rather than therapeutic primary doses.

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Impact
Highest effect
B+ Goal FitB Strength of SupportA- CoverageA- Formula Quality

Structural minerals like Calcium and Magnesium are paired with signaling cofactors such as Vitamin D3 and Manganese to support skeletal density and remodeling. Boron and B-vitamins provide additional matrix support and regulation of bone quality.

The inclusion of Vitamin K1 rather than the more bioavailable MK-7 isomer limits the product's effectiveness in mineral transport. While it addresses multiple pathways, some mineral doses remain at a maintenance level rather than a targeted therapeutic tier.

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Impact
Highest effect
B+ Goal FitB+ Strength of SupportB+ CoverageA- Formula Quality

This high-potency multivitamin supports productivity through a multi-mechanism strategy that targets energy, focus, and long-term brain health. It is a robust option for individuals seeking an intensive nutritional base for cognitive performance.

Vitamin B12 and Vitamin B6 (P-5-P) appear well aligned to support neuro-metabolism and mental energy. The inclusion of specialized actives like DMAE and Tyrosine further supports the neurotransmission required for sustained concentration throughout the day.

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Ingredients

IngredientAmount per serving
Calories
5 Calorie(s)
Total Carbohydrates
1 Gram(s)
Protein
1 Gram(s)
Vitamin A
3750 mcg
Vitamin C (Ascorbic Acid, Ascorbyl Palmitate)
500 mg
Vitamin D3 (Cholecalciferol)
25 mcg
Vitamin E (D-Alpha-Tocopheryl Succinate)
134 mg
Vitamin K-1
120 mg
Thiamine (Vitamin B1)
50 mg
Riboflavin (Vitamin B2)
50 mg
Niacin
50 mg
Vitamin B-6 (Pyridoxal 5-Phosphate, Pyridoxine Hydrochloride)
50 mg
Folate (Calcium Folinate, Folic Acid)
680 mcg DFE
Vitamin B12 (Cyanocobalamin)
500 mcg
Biotin
150 mcg
Pantothenic Acid (Calcium D-Pantothenate, Pantethine)
53 mg
Choline (Choline Bitartrate)
50 mg
Calcium (Calcium Carbonate, Calcium Chelate, Calcium Citrate, Calcium Malate)
100 mg
Iron (Ferrochel)
6 mg
Iodine (Potassium Iodide)
100 mcg
Magnesium (Magnesium Amino Acid Complex)
100 mg
Zinc (Zinc Citrate, Zinc Methionine Sulfate Complex)
15 mg
Selenium (L-Selenomethionine, Sodium Selenite)
100 mcg
Copper (Copper Sebacic Acid Complex)
1 mg
Manganese (Manganese Citrate)
3 mg
Chromium (Chromium Picolinate, Chromium Polynicotinate)
100 mcg
Molybdenum (Molybdenum Chelate)
100 mcg
Potassium (Potassium Citrate)
50 mg
N-Acetyl Cysteine
150 mg
Green Tea Leaf Extract
70 mg
Gamma-Vitamin E Complex
67 mg
Silymarin (Milk Thistle seed extract)
60 mg
Inositol
50 mg
Alpha-Lipoic Acid & R-Lipoic Acid
40 mg
DMAE (DMAE Bitartrate)
30 mg
Grape seed ext.
30 mg
MSM
25 mg
Hawthorn berry extract
25 mg
N-Acetyl-L-Tyrosine
25 mg
Turmeric rhizome extract
25 mg
Quercetin
25 mg
natural Trans-Resveratrol (Polygonum cuspidatum root ext.)
20 mg
Coenzyme Q10
20 mg
Ginkgo leaf extract (Flavone Glycosides, Terpene Lactones)
20 mg
Tocotrienol Complex
10 mg
Bilberry fruit ext. (Anthocyanosides)
5 mg
Rutin
5 mg
Black Pepper fruit ext.
3 mg
Lycopene
3 mg
Boron (Boron Amino Acid Complex)
2 mg
Lutein
2 mg
Astaxanthin
100 mcg
Adults 18–50 Women
Report overview
B+ Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyD+ Value
This comprehensive daily supplement delivers manganese in a bioavailable citrate form at a maintenance level. It is priced above the category median but offers solid quality across its entire ingredient list.
B- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyF Value
This product provides a well-labeled and effective dose of selenium suitable for long-term health maintenance. It is a premium-priced option due to the extensive list of additional nutrients.
A Active Ingredient Quality & BioavailabilityB Dose, Safety & Label TransparencyF Value
This potent multi-nutrient formula delivers 110 mg of Vitamin B5, utilizing both calcium pantothenate and bioactive pantethine. It is designed for maximum metabolic efficiency and energy support, making it a high-quality foundational supplement.
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