Phytonutrient Herbs & Essential Oils
Aloe Vera
This food is best grown in traditional open-air farms.
1.1 Overview & Structure
Aloe Vera is a unique succulent primarily made up of water, with its inner gel comprising up to 99.5% moisture810. This high water content makes the gel a very low-calorie substance, but it acts as a storage vessel for over 75 potentially active nutrients1018. The physical build of the gel is held together by a structure of complex sugars, particularly a unique polysaccharide called acemannan1418. When we digest it, these long-chain sugars act as a soothing coating for the gut lining14. It is a naturally vegan and gluten-free plant, though it is valued more for these functional “liquid intelligence” compounds than for providing bulk protein or fats210.
1.2 Physical & Culinary Performance
The gel is a thick, viscous substance that provides a cooling effect when eaten or applied to the skin18. In its raw state, it contains the highest levels of delicate enzymes and Vitamin C14. When added to liquids like water or juice, the pectin and other soluble fibres help to maintain the thickness of the drink14. It is safe to eat raw if the outer rind is removed, and it works brilliantly in smoothies where it helps stop ingredients from separating by acting as a natural binder14.
1.3 Storage & Life Hacks
The quality of Aloe Vera gel is quickly lowered by light and heat, which cause the bioactive sugars to break down and lose their healing power14. A clever life hack for boosting its benefits is to consume the gel as fresh as possible, as the acemannan levels begin to drop once the leaf is cut14. In the kitchen, a specific prep method involves soaking the inner gel fillet in water for a few minutes to ensure any bitter yellow latex is completely washed away814.
1.4 Suitability & Ethics
Aloe Vera is 100% plant-derived and fits all vegan diets10. However, the whole leaf contains aloin and anthraquinones in the outer “skin” or latex, which are potent laxatives that must be removed for safe ingestion814. Ethical production is generally high as the plant is hardy and requires very few chemical inputs14. Some sources describe avoiding oral consumption during pregnancy, as it may cause the muscles of the uterus to contract8.
1.5 Seasonality & Environment
Aloe Vera thrives in arid and semi-arid regions where it uses water very efficiently compared to other species14. In the UK, it is a popular indoor plant that grows well on sunny windowsills with minimal watering16. Traditionally, it has a very low carbon footprint because it requires so little help to grow, but its land use is higher in field settings because it needs space to spread in the soil14.
1.6 Safety & Consumption Context
While the inner gel is safe and soothing, the yellow latex found just under the skin can cause abdominal cramping and toxicity if eaten814. Traditionally, Aloe Vera is used in small daily doses in juices or supplements to support digestive comfort and skin health10. It is also known to contain saponins, which are natural soapy compounds that provide cleansing and antiseptic properties18.
1.7 Health & Nutrition Superpower
Aloe Vera’s true superpower is its massive concentration of Vitamin C and its unique amino acid profile, containing high levels of threonine and aspartic acid relative to its small protein content614. It is a world-leader in providing acemannan, a sugar that interacts with cell receptors to aid the body’s natural healing processes1418. It also contains salicylic acid, a natural anti-inflammatory compound that helps reduce swelling and pain18.
1.8 Essential Oil Stability & Bioavailability
The “liquid intelligence” of Aloe is highly unstable; the bioactive enzymes and polysaccharides degrade rapidly when exposed to oxygen or high processing temperatures14. To maintain high bioavailability—which is the body’s ability to actually absorb and use a nutrient—cold-processing is essential14. When the gel is kept stable and fresh, its nutrients are much more likely to survive the journey through the stomach and be put to work in the body14.
1.9 Enzymatic Activity & Freshness
Aloe contains many natural enzymes, which are biological proteins that speed up chemical reactions in the body1418. These enzymes are most active in the raw, fresh gel and help with the breakdown of fats and sugars in the digestive system14. Because these enzymes are destroyed by heat, fresh Aloe fillets or cold-pressed juices are far superior to heat-treated commercial products14.
2. Land-Use & Human Labour Efficiency
Nutrients per Hectare (N/H) Scoring
- Traditional Production Score: 42/100
Traditional farming in arid regions is highly water-efficient (15L per 100g), but it requires significant horizontal land (28.5 m² per protein portion) because the plants cannot be stacked and grow relatively slowly14. - Ultra-Efficient Production Score: 45/100
Aloe Vera is not suitable for vertical aeroponics because its roots rot in high-humidity mists14. Therefore, its efficiency is capped by its need for traditional open-air or greenhouse soil beds, though “hidden” subterranean storeys could be used for processing facilities to save surface land.
Human Labour Intensity (HLI) Scoring
- Traditional Labour Score: 85/100 – Large Amount of Manual Work
Harvesting Aloe is a very physical task; leaves must be hand-cut and carefully filleted to avoid contaminating the gel with toxic aloin from the rind814. - Automated Labour Score: 40/100 – Moderate Amount of Manual Work
While the plants still need traditional soil, robotic harvesters and automated filleting machines in adjacent facilities can significantly reduce the “stoop labour” currently required in the fields.
3. Data Tables
Aloe Vera (Edible) is a succulent plant species that is primarily made up of water, with its gel comprising approximately 99% to 99.5% moisture81014. This high water content makes the gel a low-calorie substance, yet it contains a wide array of bioactive compounds, including over 75 potentially active nutrients such as vitamins, minerals, enzymes, and unique polysaccharides like acemannan101418. While it is not a significant source of protein or fat, it is valued in the UK for its therapeutic and functional food properties, often found in juices and supplements210.1
The following audit provides a structured data analysis of Aloe Vera’s nutritional density and environmental footprint.
1. Main Nutrients Table
Strictly sorted in descending order by % Ref Value per 20g Protein Portion (28571.4g). All details provided are for Aloe Vera Gel.
| Nutrient6 | % Ref Value per 20g Protein Portion | Amount per 100g | UK Reference Value |
| Vitamin C | 17142.9% | 60mg | 100mg |
| Chloride | 571.4% | 50mg | 2500mg |
| Potassium | 244.9% | 30mg | 3500mg |
| Calcium | 148.6% | 5.2mg | 1000mg |
| Sodium | 133.9% | 7.5mg | 1600mg |
| Magnesium | 92.2% | 1mg | 310mg |
| Protein | 44.4% | 0.07g | 45g |
| Energy | 42.9% | 3kcal | 2000kcal |
| Total Carbs | 10.7% | 0.1g | 267g |
| Iron | 9.7% | 0.01mg | 29.4mg |
| B12 (Trace) | 0.2% | 0.0001mcg | 14mcg |
2. Amino Acid Table
Strictly sorted in descending order by % Ref Value per 20g Protein Portion (28571.4g). All details provided are for Aloe Vera Gel.
| Amino Acid6 | % Ref Value per 20g Protein Portion | Amount per 100g (mg) | UK Reference Value (g) |
| Threonine | 274.3% | 9.5 | 0.99 |
| Aspartic Acid | 213.2% | 17.8 | 2.39 |
| Lysine | 123.1% | 8.5 | 1.97 |
| Glycine | 90.3% | 8.4 | 2.66 |
| Histidine | 77.9% | 1.8 | 0.66 |
| Isoleucine | 30.3% | 1.4 | 1.32 |
| Valine | 28.4% | 1.7 | 1.71 |
| Leucine | 25.6% | 2.3 | 2.57 |
| Methionine | 11.5% | 0.4 | 0.99 |
3. Fatty Acid Table
Strictly sorted in descending order by % Ref Value per 20g Protein Portion (28571.4g). All details provided are for Aloe Vera Gel.
| Fatty Acid | % Ref Value per 20g Protein Portion | Amount per 100g (mg) | UK Reference Value (g) |
| Total Fat | 3.7% | 10.0 | 78.0 |
| Omega-3 ALA | 2.4% | 1.0 | 12.0 |
| Omega 3 (EPA + DHA) | 0.0% | 0.0 | 1.0 |
4. Fibre Fractions Table
Details for Aloe Vera Gel.
| Fibre Fraction34 | Amount per 100g | Description |
| Acemannan | 0.2 – 0.5g | Key bioactive acetylated mannan polysaccharide1418. |
| Pectin | Trace | Soluble fibre contributing to gel viscosity14. |
| Cellulose | Trace | Structural component found primarily in the rind14. |
| Glucomannan | Trace | Interacts with cell receptors to aid healing14. |
5. Anti-Nutritional Factors Table
Details for Aloe Vera (Whole Leaf).
| Factor134 | Presence | Impact / Limitation |
| Aloin | High (Latex) | Potent laxative; must be removed for safe ingestion814. |
| Anthraquinones | High (Latex) | Can cause abdominal cramping and potential toxicity814. |
| Saponins | ~3% of gel | Provides cleansing and antiseptic properties18. |
| Salicylic Acid | Trace | Anti-inflammatory compound18. |
6. Phytochemicals Table
Strictly sorted in descending order by % Ref Value per 20g Protein Portion. All details provided are for Aloe Vera Gel.
| Phytochemical34 | Amount per 100g | Potential Benefits |
| Genistic Acid | 101.0mg | Primarily found in the flowers14. |
| Catechin | 95.0mg | High antioxidant capacity in epidermis14. |
| Lupeol | Trace | Anti-inflammatory and antiseptic steroid18. |
| Beta-sitosterol | Trace | Plant sterol contributing to anti-inflammatory action18. |
7. Allergen & Suitability Table
Details for Aloe Vera Edible Gel.
| Requirement123 | Status | Verification |
| Vegan | Suitable | Plant-derived succulent10. |
| Gluten-Free | Suitable | Naturally free from gluten proteins10. |
| Common Allergens | Rare | Can cause reactions in those allergic to Lilies/Onions14. |
| Pregnancy | Avoid Oral | May cause uterine contractions; topical is safe8. |
8. Commercial Forms Table
Commonly available products in the UK.
| Product Name | Format | Typical UK Retailer |
| Aloe Pura Maximum Strength Juice | Liquid | Holland & Barrett |
| Pukka Aloe Vera Juice | Liquid | Boots.com |
| Aloe Vera Inner Gel Fillet | Fresh | Amazon.co.uk |
9. Environmental Indicators Table (Current Traditional Agriculture)
Strictly sorted in descending order by Value per 20g Protein Portion. All details provided are for Aloe Vera.
| Indicator3 | Traditional Value (per 100g) | Value per 20g Protein Portion | Traditional Context |
| Water Footprint | ~15 L | 4285 L | High efficiency for a succulent species14. |
| Land Use | ~0.1 m² | 28.5 m² | Primarily grown in arid/semi-arid regions14. |
| Carbon Footprint | ~0.05 kg CO2e | 14.3 kg CO2e | Low emissions due to minimal input requirements14. |
10. Home Growing & Aeroponic Audit
Details for Aloe Vera.
| Growing Method | Feasibility | Aeroponic / Method Benefits |
| Home Growing | High | Low maintenance; thrives on windowsills with minimal water.1 |
| Aeroponics | Low | Technically limited; Aloe roots are prone to rot if over-misted. 1 |
Technical Limitation: Aloe Vera is a succulent adapted to arid environments; its root system requires dry periods and is highly susceptible to root rot in high-humidity aeroponic environments. Therefore, it is not suitable for vertical aeroponic growth. 1
Sources & Endnotes – please see the References & Bibliography section for full details of all sources:
- Google AI Internal Knowledge.
- Google AI – Calculated portion size based on protein density.
- ScienceDirect – Aloe vera and its byproducts as sources of valuable bioactives.
- PMC – Processing, food applications and safety of aloe vera products.
- PMC – The Case of a New Aloe Vera Based Product.
- ScienceDirect – Environmental and nutritional performance of ‘superfood’-enriched.
- ScienceDirect – Multi-criteria evaluation of plant-based foods.
- PMC – Aloe vera—An Extensive Review Focused on Recent Studies.
- PMC – An audit of the dissemination strategies for dietary guidelines.
- NutritionValue.org – Aloe vera inner gel fillet by FRUIT OF THE EARTH.
- NCBI – Evaluation of the Nutritional and Metabolic Effects of Aloe vera.
- ResearchGate – Chemical Composition of Aloe Vera Gel.
- ScienceDirect – A Comprehensive Review of Aloe vera.
- PMC – Aloe vera: A review of toxicity and adverse clinical effects.
- BDBotSociety – Protein and amino acids of Aloe vera leaf.
- MyFoodData – Total Amino Acids in Pure Aloe Gel.
- CABI Digital Library – Chemical Characteristics and Therapeutic Potentials.
- PMC – ALOE VERA: A SHORT REVIEW.
- CurResWeb – Evaluation of Aloe vera Gel as Antioxidant.
- Prospre – Aloe Nutrition Facts.
- Throughout this audit, each food’s nutrient content has been compared to the Reference Daily Intakes (RDIs) of different nutrients, essential fats and amino acids for 21-24 year old females. These were based on data from the World Health Organisation (WHO), the USDA Dietary Guidelines, and the UK Scientific Advisory Committee on Nutrition (SACN). For full details, visit: https://naturalhuman.co.uk/reference-intakes/. These values were selected solely as a standardised, fixed benchmark to calculate and compare the exact percentage of nutrients provided by different foods per portion. Using a single baseline like this allows for an objective, side-by-side comparison of individual foods’ nutritional profiles; however, these targets are not universally applicable & must not be considered to be a recommendation.
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