By Dr. Rich Prather, D.C. · Editorial review: October 23, 2026. Product panels reviewed October 22; official prices and product listings rechecked October 23, 2026.
The Comprehensive Core gallon provides 128 one-ounce liquid servings, equal to the volume of four quarts. It is a useful option for an established daily routine, with fewer bottle changes and a lower reviewed cost per serving. This guide walks through supply planning, dispensing and label-specific storage.
In this guide
Decide how you will dispense it before it arrives
Choose a clearly marked liquid measure or the separately sold compatible gallon pump. The labeled serving is one fluid ounce, equivalent to two tablespoons. Keep the manufacture date visible, plan a convenient refrigerator position and use the calculator below to estimate your supply.
Plan the bottle’s supply
Example: 128 labeled servings ÷ 1 serving used per day = 128 days; at 2 servings across the household each day, 64 days.
Result:
Counts uses, not a recommended personal amount. Each person’s directions and the bottle’s storage and date limits still apply.
Why choose 128 servings at once?
A larger bottle can simplify repeat ordering when you already use the liquid regularly. At one labeled serving daily, the gallon provides 128 days of supply. If two adults each follow their own one-serving daily routine, it provides 64 days for that household.
At the October 23, 2026 prices, four dispensing or round quarts total $296. The $234 gallon saves $62 for the same 128 ounces. Adding a separately sold $8 pump brings the first purchase to $242, still $54 below four of those quarts before tax and shipping.
Gallon value: the lowest reviewed cost per liquid serving. At $234 for 128 servings, it costs $1.83 per serving. Add the separately sold $8 pump and the first-gallon total is $242, or $1.89 per serving. That remains below the least expensive quart at $2.31 per serving. This comparison uses one-time prices rechecked October 23, 2026 and excludes tax, shipping, subscriptions and discounts.
We recommend the compatible pump with the gallon for easier dispensing from a large jug. MEL says its Plastic Gallon Jug Pump fits all MEL one-gallon jugs and dispenses one ounce per pump; it has a rotating spout and flexible intake tube. The pump is a separate $8 listing; we found no statement that it is included with the gallon. Follow the bottle’s shake-and-refrigerate directions and confirm the measured serving when using the dispenser.
Plan storage before ordering
Give the jug a convenient refrigerator position with room to lift it out for shaking. Shake the closed bottle before each use, measure one fluid ounce and refrigerate again after use. A compatible pump can make that dispensing step easier. Keep the original label and manufacture date with the jug.
Core’s displayed liquid panel uses a one-year-from-manufacture limit. It does not give a separate six-month-after-opening instruction, so confirm any additional handling questions with MEL rather than borrowing another product’s directions.
The reviewed gallon and quart panels list matching liquid nutrient amounts per one-ounce serving. The gallon offers a larger supply of that formula. For ordering, use MEL’s current product page to check availability and dispatch details.
What ingredients does this option contain?
This table uses the verified liquid label amounts per one-fluid-ounce serving. The capsule formula differs. Vitamins and minerals form the nutritional foundation. Fruits, greens, enzyme preparations, amino acids and other specialty ingredients add separate categories. Expand the complete ingredient section for every named component and supporting ingredient.
| Ingredient / nutrient | Per full labeled serving |
|---|---|
| Vitamin A | 900 mcg RAE; CaroCare beta-carotene |
| Vitamin D3 | 125 mcg (5,000 IU); cholecalciferol |
| Vitamin K2 | 60 mcg; Mena-Q7 |
| Vitamin E / tocotrienols | Not declared |
| B1 (thiamine) | 20 mg; BenfoPure benfotiamine |
| B2 (riboflavin) | 20 mg; riboflavin 5′-phosphate |
| B3 (niacin) | 62 mg NE; niacinamide |
| B5 | 50 mg; Pantesin pantethine |
| B6 | 40 mg; pyridoxal 5′-phosphate |
| Folate | 680 mcg DFE; L-5-MTHF calcium |
| B12 — methylcobalamin | 200 mcg |
| B12 — adenosylcobalamin | 100 mcg |
| Biotin | 300 mcg |
| Betaine | 50 mg |
| Vitamin C | 400 mg; ascorbic acid with fruit polyphenols and bioflavonoids |
| Calcium | 200 mg; calcium ascorbate and lactate |
| Magnesium | 200 mg; Albion TRAACS magnesium bisglycinate and malate |
| Zinc | 11 mg; Albion TRAACS zinc chelate |
| Selenium | 55 mcg; L-selenomethionine |
| Copper | 450 mcg; Albion TRAACS copper chelate |
| Manganese | 1.15 mg; Albion TRAACS manganese chelate |
| Chromium | 100 mcg; Albion TRAACS chromium chelate |
| Molybdenum | 45 mcg; Albion TRAACS molybdenum chelate |
| Boron | 1 mg; BorOrganic |
| Iodine | 75 mcg; dulse sea algae and potassium iodide |
| MSM | 75 mg; OptiMSM |
| Humic and fulvic extracts with trace minerals and elements | 25 mg combined |
| N-acetyl-L-tyrosine | 50 mg |
| Quercetin | 50 mg |
| Rutin | 15 mg |
| N-acetylcysteine (NAC) | 50 mg |
| Curcumin / turmeric extract | 100 mg |
| Elderberry | 80 mg; BerryShield elderberry concentrate |
Complete liquid ingredients, blend components and supporting ingredients
Amounts are per 1 fl oz (2 tablespoons). Blend totals are combined weights, not the dose of each member. A component appearing in more than one label section is not automatically an additional dose.
| Label grouping | Declared amount | All named components |
|---|---|---|
| Mixed carotenoids | 175 mg | Organic carrot, broccoli and kale |
| Vitamin C accompanying fruit complex | 160 mg total | Organic acerola, camu camu, amla, orange peel, lemon peel, strawberry, mango and rose hips |
| Citrus bioflavonoid complex | 50 mg | Organic oranges, lemons and tangerines |
| Vitamin C accompanying polyphenols | Individual amounts undisclosed | organic grape, blueberry, cranberry, blackberry, raspberry and strawberry extracts |
| Immune vitamin C polyphenols and bioflavonoid antioxidant blend | 1,325 mg total; individual amounts undisclosed | Organic elderberry, blueberry, pomegranate, acai, cranberry, strawberry, blackberry, raspberry, cherry, apple, pear, red grape, bilberry extract, lemon, acerola, camu camu, rose hips, amla, orange peel and mango |
| Organic alkalizing greens and detox blend | 1,905 mg total; individual amounts undisclosed | Organic milk thistle, organic dandelion extract, curcumin/turmeric, organic spirulina algae, organic chlorella algae, organic moringa, organic globe artichoke, horsetail extract, Oregon grape root, organic astragalus, organic Atlantic kelp, organic carrot root, organic cabbage, organic broccoli, organic kale, and ginger extract (5% gingerols) |
| Cardiovascular and circulatory support blend | 1,395 mg total | Organic beet root 300 mg; CoQ10 50 mg; L-citrulline 50 mg; organic trans-resveratrol extract 10 mg; organic olive leaf extract 10 mg; organic pomegranate, organic blueberry concentrate, organic acai berry extract, grape seed extract, magnesium malate, organic hawthorn berry extract, organic green tea extract, organic garlic extract and noni extract (4:1), with remaining individual amounts undisclosed |
| GI health, integrity, digestive enzymatic and prebiotic fiber blend | Total amount undisclosed | BioCore complete digestive enzymes (activities below), bromelain from pineapple and papain from green papaya, masses undisclosed; organic digestion-resistant prebiotic fiber 200 mg; L-glutamine 100 mg |
| Essential protein amino acid blend | 200 mg total; individual amounts undisclosed | L-valine, L-tryptophan, L-threonine, L-histidine, L-isoleucine, L-leucine, L-lysine, L-methionine and L-phenylalanine |
| Essential fatty acids and phospholipids | 300 mg total; individual amounts undisclosed | Flax seed ALA omega-3 fatty acids and sunflower lecithin phospholipids |
Digestive enzyme activities
| Enzyme activity | Per full labeled serving |
|---|---|
| Protease 1 | 5,250 HUT |
| Protease 2 | 12.5 SAPU |
| Protease 3 | 0.5 AP |
| Amylase | 1,750 DU |
| Lipase | 250 FIP |
| Glucoamylase | 2.5 AGU |
| Invertase | 200 SU |
| Diastase | 750 DP |
Activity units describe the enzyme’s measured action and cannot be converted directly to milligrams. Bromelain and papain are named separately from these activities.
Other ingredients
Purified water; organic apple, organic pear, organic red grape juice concentrate, organic elderberry, organic blueberry, organic blackberry, organic cherry and organic cranberry juice concentrates; organic pomegranate juice concentrate; stevia leaf; organic vegetable glycerin USP; organic flavors; acids; natural preservatives.
Liquid macronutrients per serving: 48 calories, total fat less than 1 g, total carbohydrate 11 g, dietary fiber 4 g, total sugars 6 g, protein less than 1 g.
Methylcobalamin is a form of B12, L-5-MTHF is a form of folate, and mineral chelates describe how minerals are bound. The ingredient table shows these forms alongside the labeled serving amounts and combined blend totals.
Vitamins and minerals contribute to everyday nutrition and normal body functions. Explore the complete Comprehensive Core overview for its ingredient forms and format choices, and NIH’s multivitamin explanation for further reading. the complete Comprehensive Core overview NIH’s multivitamin explanation
How do you take the liquid?
MEL directs one fluid ounce daily, followed by eight ounces of pure water; it may be taken with food. Shake well before every use—settling is normal—and refrigerate after opening. The liquid serving is two tablespoons, not a dropperful or an unmarked capful. Use an appropriate marked measure.
The Core liquid label says to use within one year of manufacture; it does not provide a separate after-opening interval. Do not borrow the pH Balancer six-month instruction for Core. Check the date on your actual bottle. The gallon is 128 labeled servings, so a one-person daily routine takes 128 days; a quart takes 32 days. Storage space and the remaining shelf life matter as much as the headline price.
What should you check before choosing it?
Each full labeled serving supplies 125 mcg (5,000 IU) vitamin D3. That exceeds the general U.S. adult upper intake level of 100 mcg (4,000 IU) daily from all sources. A clinician may recommend more for a specific reason, but this is a reason to review total intake before starting. NIH vitamin D reference.
Both formulas contain vitamin K2, which matters if you use warfarin. Core provides 40 mg vitamin B6 per serving; long-term excess B6 can damage nerves. The active form is not a reason to ignore total exposure from other supplements. NIH vitamin B6 reference; NIH vitamin K interactions.
The labels advise consulting a healthcare provider before use, particularly if pregnant or nursing, taking medicines or other supplements, or managing known or suspected allergies. Keep out of reach of children. Bring the full ingredient list to that discussion. Liquid labels use broad terms such as flavors and natural preservatives without identifying every substance; ask MEL about a specific allergy rather than assuming those categories are allergen-free.
Compare the other Comprehensive Core options
Return to Mother Earth Labs Comprehensive Core for the broad product comparison. These version guides focus on the purchase and use of each package:
- Mother Earth Labs Comprehensive Core Capsules
- Mother Earth Labs Comprehensive Core Dispensing Quart
- Mother Earth Labs Comprehensive Core Glass Quart
- Mother Earth Labs Comprehensive Core Round Quart
Related reading: liquid supplement storage; Comprehensive Core versus pH Balancer; Shop Mother Earth Labs.
Buy the exact gallon option
Confirm the current price, label and ordering details at MEL. The gallon contains 128 one-ounce liquid servings.
Buy Now — Comprehensive Core Gallon Affiliate DisclosureBuy the Pump Affiliate DisclosureSources and verification
- Official Comprehensive Core Gallon product page — product identity, one-time price and available source panel, checked October 22, 2026.
- Official Supplement Facts and directions image
- Official gallon pump: fits MEL gallon jugs, one ounce per pump, separately priced at $8
Price calculations use one-time prices rechecked October 23, 2026 and the actual labeled serving count. They exclude taxes, shipping, subscription pricing and discounts. Label facts refer to the displayed manufacturer panel, not an independent laboratory test. Packaging may change; read your actual bottle.
Look up nutrient names, forms and aliases in the health dictionary, or use the site’s Find Answers search. Dictionary product matches use the reviewed format-specific manufacturer labels.
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